Home / 5,577.95-7,691.19-4,458.13

Finding the Fourth Proportional to 5,577.95, 7,691.19 and 4,458.13

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Solution

The fourth proportional to 5,577.95, 7,691.19 and 4,458.13 is: 6,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.95 : 7,691.19 = 4,458.13 : x
  2. Step 2: Convert to fraction form
    5,577.95/7,691.19 = 4,458.13/x
  3. Step 3: Cross multiply
    5,577.95x = 7,691.19 × 4,458.13
  4. Step 4: Simplify right side
    5,577.95x = 34,288,324.87
  5. Step 5: Solve for x
    x = 34,288,324.87/5,577.95
  6. Step 6: Final answer
    x = 6,147.12

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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.