Home / 7,646.75-10,557.66-4,779.83

Finding the Fourth Proportional to 7,646.75, 10,557.66 and 4,779.83

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Solution

The fourth proportional to 7,646.75, 10,557.66 and 4,779.83 is: 6,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.75 : 10,557.66 = 4,779.83 : x
  2. Step 2: Convert to fraction form
    7,646.75/10,557.66 = 4,779.83/x
  3. Step 3: Cross multiply
    7,646.75x = 10,557.66 × 4,779.83
  4. Step 4: Simplify right side
    7,646.75x = 50,463,820.00
  5. Step 5: Solve for x
    x = 50,463,820.00/7,646.75
  6. Step 6: Final answer
    x = 6,599.38

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Find fourth proportional to 3,823.38, 5,278.83 and 2,389.92
Half scale
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Double scale
Find fourth proportional to 7,647.75, 10,559.04 and 4,780.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.