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Finding the Fourth Proportional to 3,959.34, 5,465.07 and 2,562.18

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Solution

The fourth proportional to 3,959.34, 5,465.07 and 2,562.18 is: 3,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.34 : 5,465.07 = 2,562.18 : x
  2. Step 2: Convert to fraction form
    3,959.34/5,465.07 = 2,562.18/x
  3. Step 3: Cross multiply
    3,959.34x = 5,465.07 × 2,562.18
  4. Step 4: Simplify right side
    3,959.34x = 14,002,493.05
  5. Step 5: Solve for x
    x = 14,002,493.05/3,959.34
  6. Step 6: Final answer
    x = 3,536.57

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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.