Home / 5,191.15-7,736.38-5,025.11

Finding the Fourth Proportional to 5,191.15, 7,736.38 and 5,025.11

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Solution

The fourth proportional to 5,191.15, 7,736.38 and 5,025.11 is: 7,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.15 : 7,736.38 = 5,025.11 : x
  2. Step 2: Convert to fraction form
    5,191.15/7,736.38 = 5,025.11/x
  3. Step 3: Cross multiply
    5,191.15x = 7,736.38 × 5,025.11
  4. Step 4: Simplify right side
    5,191.15x = 38,876,135.38
  5. Step 5: Solve for x
    x = 38,876,135.38/5,191.15
  6. Step 6: Final answer
    x = 7,488.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.