Home / 3,447.19-4,757.12-1,875.29

Finding the Fourth Proportional to 3,447.19, 4,757.12 and 1,875.29

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Solution

The fourth proportional to 3,447.19, 4,757.12 and 1,875.29 is: 2,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.19 : 4,757.12 = 1,875.29 : x
  2. Step 2: Convert to fraction form
    3,447.19/4,757.12 = 1,875.29/x
  3. Step 3: Cross multiply
    3,447.19x = 4,757.12 × 1,875.29
  4. Step 4: Simplify right side
    3,447.19x = 8,920,960.47
  5. Step 5: Solve for x
    x = 8,920,960.47/3,447.19
  6. Step 6: Final answer
    x = 2,587.90

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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.