Home / 5,200.28-7,177.95-3,628.88

Finding the Fourth Proportional to 5,200.28, 7,177.95 and 3,628.88

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Solution

The fourth proportional to 5,200.28, 7,177.95 and 3,628.88 is: 5,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.28 : 7,177.95 = 3,628.88 : x
  2. Step 2: Convert to fraction form
    5,200.28/7,177.95 = 3,628.88/x
  3. Step 3: Cross multiply
    5,200.28x = 7,177.95 × 3,628.88
  4. Step 4: Simplify right side
    5,200.28x = 26,047,919.20
  5. Step 5: Solve for x
    x = 26,047,919.20/5,200.28
  6. Step 6: Final answer
    x = 5,008.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.