Home / 5,632.20-7,772.64-3,114.42

Finding the Fourth Proportional to 5,632.20, 7,772.64 and 3,114.42

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Solution

The fourth proportional to 5,632.20, 7,772.64 and 3,114.42 is: 4,298.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.20 : 7,772.64 = 3,114.42 : x
  2. Step 2: Convert to fraction form
    5,632.20/7,772.64 = 3,114.42/x
  3. Step 3: Cross multiply
    5,632.20x = 7,772.64 × 3,114.42
  4. Step 4: Simplify right side
    5,632.20x = 24,207,265.47
  5. Step 5: Solve for x
    x = 24,207,265.47/5,632.20
  6. Step 6: Final answer
    x = 4,298.01

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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.