Home / 5,387.16-7,431.36-4,060.38

Finding the Fourth Proportional to 5,387.16, 7,431.36 and 4,060.38

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Solution

The fourth proportional to 5,387.16, 7,431.36 and 4,060.38 is: 5,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.16 : 7,431.36 = 4,060.38 : x
  2. Step 2: Convert to fraction form
    5,387.16/7,431.36 = 4,060.38/x
  3. Step 3: Cross multiply
    5,387.16x = 7,431.36 × 4,060.38
  4. Step 4: Simplify right side
    5,387.16x = 30,174,145.52
  5. Step 5: Solve for x
    x = 30,174,145.52/5,387.16
  6. Step 6: Final answer
    x = 5,601.12

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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.