Home / 7,247.97-10,875.60-5,402.79

Finding the Fourth Proportional to 7,247.97, 10,875.60 and 5,402.79

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Solution

The fourth proportional to 7,247.97, 10,875.60 and 5,402.79 is: 8,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.97 : 10,875.60 = 5,402.79 : x
  2. Step 2: Convert to fraction form
    7,247.97/10,875.60 = 5,402.79/x
  3. Step 3: Cross multiply
    7,247.97x = 10,875.60 × 5,402.79
  4. Step 4: Simplify right side
    7,247.97x = 58,758,582.92
  5. Step 5: Solve for x
    x = 58,758,582.92/7,247.97
  6. Step 6: Final answer
    x = 8,106.90

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1.5x scale

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.