Home / 4,972.87-6,862.59-2,734.72

Finding the Fourth Proportional to 4,972.87, 6,862.59 and 2,734.72

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Solution

The fourth proportional to 4,972.87, 6,862.59 and 2,734.72 is: 3,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.87 : 6,862.59 = 2,734.72 : x
  2. Step 2: Convert to fraction form
    4,972.87/6,862.59 = 2,734.72/x
  3. Step 3: Cross multiply
    4,972.87x = 6,862.59 × 2,734.72
  4. Step 4: Simplify right side
    4,972.87x = 18,767,262.12
  5. Step 5: Solve for x
    x = 18,767,262.12/4,972.87
  6. Step 6: Final answer
    x = 3,773.93

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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.