Home / 3,173.58-4,379.13-1,776.33

Finding the Fourth Proportional to 3,173.58, 4,379.13 and 1,776.33

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Solution

The fourth proportional to 3,173.58, 4,379.13 and 1,776.33 is: 2,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.58 : 4,379.13 = 1,776.33 : x
  2. Step 2: Convert to fraction form
    3,173.58/4,379.13 = 1,776.33/x
  3. Step 3: Cross multiply
    3,173.58x = 4,379.13 × 1,776.33
  4. Step 4: Simplify right side
    3,173.58x = 7,778,779.99
  5. Step 5: Solve for x
    x = 7,778,779.99/3,173.58
  6. Step 6: Final answer
    x = 2,451.11

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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.