Home / 5,092.16-7,639.43-1,581.98

Finding the Fourth Proportional to 5,092.16, 7,639.43 and 1,581.98

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Solution

The fourth proportional to 5,092.16, 7,639.43 and 1,581.98 is: 2,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.16 : 7,639.43 = 1,581.98 : x
  2. Step 2: Convert to fraction form
    5,092.16/7,639.43 = 1,581.98/x
  3. Step 3: Cross multiply
    5,092.16x = 7,639.43 × 1,581.98
  4. Step 4: Simplify right side
    5,092.16x = 12,085,425.47
  5. Step 5: Solve for x
    x = 12,085,425.47/5,092.16
  6. Step 6: Final answer
    x = 2,373.34

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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.