Home / 5,253.90-7,876.60-1,966.52

Finding the Fourth Proportional to 5,253.90, 7,876.60 and 1,966.52

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Solution

The fourth proportional to 5,253.90, 7,876.60 and 1,966.52 is: 2,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.90 : 7,876.60 = 1,966.52 : x
  2. Step 2: Convert to fraction form
    5,253.90/7,876.60 = 1,966.52/x
  3. Step 3: Cross multiply
    5,253.90x = 7,876.60 × 1,966.52
  4. Step 4: Simplify right side
    5,253.90x = 15,489,491.43
  5. Step 5: Solve for x
    x = 15,489,491.43/5,253.90
  6. Step 6: Final answer
    x = 2,948.19

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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.