Home / 7,532.28-11,298.72-2,851.80

Finding the Fourth Proportional to 7,532.28, 11,298.72 and 2,851.80

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Solution

The fourth proportional to 7,532.28, 11,298.72 and 2,851.80 is: 4,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,532.28 : 11,298.72 = 2,851.80 : x
  2. Step 2: Convert to fraction form
    7,532.28/11,298.72 = 2,851.80/x
  3. Step 3: Cross multiply
    7,532.28x = 11,298.72 × 2,851.80
  4. Step 4: Simplify right side
    7,532.28x = 32,221,689.70
  5. Step 5: Solve for x
    x = 32,221,689.70/7,532.28
  6. Step 6: Final answer
    x = 4,277.81

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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.