Home / 7,170.38-10,756.78-2,239.04

Finding the Fourth Proportional to 7,170.38, 10,756.78 and 2,239.04

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Solution

The fourth proportional to 7,170.38, 10,756.78 and 2,239.04 is: 3,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.38 : 10,756.78 = 2,239.04 : x
  2. Step 2: Convert to fraction form
    7,170.38/10,756.78 = 2,239.04/x
  3. Step 3: Cross multiply
    7,170.38x = 10,756.78 × 2,239.04
  4. Step 4: Simplify right side
    7,170.38x = 24,084,801.31
  5. Step 5: Solve for x
    x = 24,084,801.31/7,170.38
  6. Step 6: Final answer
    x = 3,358.93

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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.