Home / 5,422.61-8,133.78-2,500.92

Finding the Fourth Proportional to 5,422.61, 8,133.78 and 2,500.92

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Solution

The fourth proportional to 5,422.61, 8,133.78 and 2,500.92 is: 3,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.61 : 8,133.78 = 2,500.92 : x
  2. Step 2: Convert to fraction form
    5,422.61/8,133.78 = 2,500.92/x
  3. Step 3: Cross multiply
    5,422.61x = 8,133.78 × 2,500.92
  4. Step 4: Simplify right side
    5,422.61x = 20,341,933.08
  5. Step 5: Solve for x
    x = 20,341,933.08/5,422.61
  6. Step 6: Final answer
    x = 3,751.32

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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.