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Finding the Fourth Proportional to 5,001.53, 6,901.90 and 2,876.90

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Solution

The fourth proportional to 5,001.53, 6,901.90 and 2,876.90 is: 3,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.53 : 6,901.90 = 2,876.90 : x
  2. Step 2: Convert to fraction form
    5,001.53/6,901.90 = 2,876.90/x
  3. Step 3: Cross multiply
    5,001.53x = 6,901.90 × 2,876.90
  4. Step 4: Simplify right side
    5,001.53x = 19,856,076.11
  5. Step 5: Solve for x
    x = 19,856,076.11/5,001.53
  6. Step 6: Final answer
    x = 3,970.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.