Home / 6,105.04-8,427.28-4,779.20

Finding the Fourth Proportional to 6,105.04, 8,427.28 and 4,779.20

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Solution

The fourth proportional to 6,105.04, 8,427.28 and 4,779.20 is: 6,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.04 : 8,427.28 = 4,779.20 : x
  2. Step 2: Convert to fraction form
    6,105.04/8,427.28 = 4,779.20/x
  3. Step 3: Cross multiply
    6,105.04x = 8,427.28 × 4,779.20
  4. Step 4: Simplify right side
    6,105.04x = 40,275,656.58
  5. Step 5: Solve for x
    x = 40,275,656.58/6,105.04
  6. Step 6: Final answer
    x = 6,597.12

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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.