Home / 5,110.59-7,664.97-1,411.90

Finding the Fourth Proportional to 5,110.59, 7,664.97 and 1,411.90

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Solution

The fourth proportional to 5,110.59, 7,664.97 and 1,411.90 is: 2,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.59 : 7,664.97 = 1,411.90 : x
  2. Step 2: Convert to fraction form
    5,110.59/7,664.97 = 1,411.90/x
  3. Step 3: Cross multiply
    5,110.59x = 7,664.97 × 1,411.90
  4. Step 4: Simplify right side
    5,110.59x = 10,822,171.14
  5. Step 5: Solve for x
    x = 10,822,171.14/5,110.59
  6. Step 6: Final answer
    x = 2,117.60

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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.