Home / 5,137.18-7,087.65-4,057.02

Finding the Fourth Proportional to 5,137.18, 7,087.65 and 4,057.02

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Solution

The fourth proportional to 5,137.18, 7,087.65 and 4,057.02 is: 5,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.18 : 7,087.65 = 4,057.02 : x
  2. Step 2: Convert to fraction form
    5,137.18/7,087.65 = 4,057.02/x
  3. Step 3: Cross multiply
    5,137.18x = 7,087.65 × 4,057.02
  4. Step 4: Simplify right side
    5,137.18x = 28,754,737.80
  5. Step 5: Solve for x
    x = 28,754,737.80/5,137.18
  6. Step 6: Final answer
    x = 5,597.38

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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.