Home / 4,731.60-7,101.45-2,103.15

Finding the Fourth Proportional to 4,731.60, 7,101.45 and 2,103.15

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Solution

The fourth proportional to 4,731.60, 7,101.45 and 2,103.15 is: 3,156.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.60 : 7,101.45 = 2,103.15 : x
  2. Step 2: Convert to fraction form
    4,731.60/7,101.45 = 2,103.15/x
  3. Step 3: Cross multiply
    4,731.60x = 7,101.45 × 2,103.15
  4. Step 4: Simplify right side
    4,731.60x = 14,935,414.57
  5. Step 5: Solve for x
    x = 14,935,414.57/4,731.60
  6. Step 6: Final answer
    x = 3,156.53

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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.