Home / 5,057.70-7,585.92-1,360.20

Finding the Fourth Proportional to 5,057.70, 7,585.92 and 1,360.20

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Solution

The fourth proportional to 5,057.70, 7,585.92 and 1,360.20 is: 2,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.70 : 7,585.92 = 1,360.20 : x
  2. Step 2: Convert to fraction form
    5,057.70/7,585.92 = 1,360.20/x
  3. Step 3: Cross multiply
    5,057.70x = 7,585.92 × 1,360.20
  4. Step 4: Simplify right side
    5,057.70x = 10,318,368.38
  5. Step 5: Solve for x
    x = 10,318,368.38/5,057.70
  6. Step 6: Final answer
    x = 2,040.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.