Home / 7,207.20-10,807.02-2,275.52

Finding the Fourth Proportional to 7,207.20, 10,807.02 and 2,275.52

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Solution

The fourth proportional to 7,207.20, 10,807.02 and 2,275.52 is: 3,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.20 : 10,807.02 = 2,275.52 : x
  2. Step 2: Convert to fraction form
    7,207.20/10,807.02 = 2,275.52/x
  3. Step 3: Cross multiply
    7,207.20x = 10,807.02 × 2,275.52
  4. Step 4: Simplify right side
    7,207.20x = 24,591,536.12
  5. Step 5: Solve for x
    x = 24,591,536.12/7,207.20
  6. Step 6: Final answer
    x = 3,412.08

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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.