Home / 4,100.22-5,656.95-3,207.18

Finding the Fourth Proportional to 4,100.22, 5,656.95 and 3,207.18

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Solution

The fourth proportional to 4,100.22, 5,656.95 and 3,207.18 is: 4,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.22 : 5,656.95 = 3,207.18 : x
  2. Step 2: Convert to fraction form
    4,100.22/5,656.95 = 3,207.18/x
  3. Step 3: Cross multiply
    4,100.22x = 5,656.95 × 3,207.18
  4. Step 4: Simplify right side
    4,100.22x = 18,142,856.90
  5. Step 5: Solve for x
    x = 18,142,856.90/4,100.22
  6. Step 6: Final answer
    x = 4,424.85

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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.