Home / 5,153.92-7,731.38-1,456.18

Finding the Fourth Proportional to 5,153.92, 7,731.38 and 1,456.18

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Solution

The fourth proportional to 5,153.92, 7,731.38 and 1,456.18 is: 2,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.92 : 7,731.38 = 1,456.18 : x
  2. Step 2: Convert to fraction form
    5,153.92/7,731.38 = 1,456.18/x
  3. Step 3: Cross multiply
    5,153.92x = 7,731.38 × 1,456.18
  4. Step 4: Simplify right side
    5,153.92x = 11,258,250.74
  5. Step 5: Solve for x
    x = 11,258,250.74/5,153.92
  6. Step 6: Final answer
    x = 2,184.41

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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.