Home / 5,432.19-8,147.60-1,734.11

Finding the Fourth Proportional to 5,432.19, 8,147.60 and 1,734.11

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Solution

The fourth proportional to 5,432.19, 8,147.60 and 1,734.11 is: 2,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.19 : 8,147.60 = 1,734.11 : x
  2. Step 2: Convert to fraction form
    5,432.19/8,147.60 = 1,734.11/x
  3. Step 3: Cross multiply
    5,432.19x = 8,147.60 × 1,734.11
  4. Step 4: Simplify right side
    5,432.19x = 14,128,859.34
  5. Step 5: Solve for x
    x = 14,128,859.34/5,432.19
  6. Step 6: Final answer
    x = 2,600.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.