Home / 7,282.20-10,044.54-4,920.60

Finding the Fourth Proportional to 7,282.20, 10,044.54 and 4,920.60

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Solution

The fourth proportional to 7,282.20, 10,044.54 and 4,920.60 is: 6,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.20 : 10,044.54 = 4,920.60 : x
  2. Step 2: Convert to fraction form
    7,282.20/10,044.54 = 4,920.60/x
  3. Step 3: Cross multiply
    7,282.20x = 10,044.54 × 4,920.60
  4. Step 4: Simplify right side
    7,282.20x = 49,425,163.52
  5. Step 5: Solve for x
    x = 49,425,163.52/7,282.20
  6. Step 6: Final answer
    x = 6,787.12

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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.