Home / 2,622.47-3,610.04-2,387.39

Finding the Fourth Proportional to 2,622.47, 3,610.04 and 2,387.39

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Solution

The fourth proportional to 2,622.47, 3,610.04 and 2,387.39 is: 3,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.47 : 3,610.04 = 2,387.39 : x
  2. Step 2: Convert to fraction form
    2,622.47/3,610.04 = 2,387.39/x
  3. Step 3: Cross multiply
    2,622.47x = 3,610.04 × 2,387.39
  4. Step 4: Simplify right side
    2,622.47x = 8,618,543.41
  5. Step 5: Solve for x
    x = 8,618,543.41/2,622.47
  6. Step 6: Final answer
    x = 3,286.43

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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.