Home / 7,149.60-10,722.72-2,532.56

Finding the Fourth Proportional to 7,149.60, 10,722.72 and 2,532.56

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Solution

The fourth proportional to 7,149.60, 10,722.72 and 2,532.56 is: 3,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.60 : 10,722.72 = 2,532.56 : x
  2. Step 2: Convert to fraction form
    7,149.60/10,722.72 = 2,532.56/x
  3. Step 3: Cross multiply
    7,149.60x = 10,722.72 × 2,532.56
  4. Step 4: Simplify right side
    7,149.60x = 27,155,931.76
  5. Step 5: Solve for x
    x = 27,155,931.76/7,149.60
  6. Step 6: Final answer
    x = 3,798.24

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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.