Home / 5,760.04-7,940.82-4,872.28

Finding the Fourth Proportional to 5,760.04, 7,940.82 and 4,872.28

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Solution

The fourth proportional to 5,760.04, 7,940.82 and 4,872.28 is: 6,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.04 : 7,940.82 = 4,872.28 : x
  2. Step 2: Convert to fraction form
    5,760.04/7,940.82 = 4,872.28/x
  3. Step 3: Cross multiply
    5,760.04x = 7,940.82 × 4,872.28
  4. Step 4: Simplify right side
    5,760.04x = 38,689,898.47
  5. Step 5: Solve for x
    x = 38,689,898.47/5,760.04
  6. Step 6: Final answer
    x = 6,716.95

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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.