Home / 5,432.27-8,150.22-2,146.30

Finding the Fourth Proportional to 5,432.27, 8,150.22 and 2,146.30

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Solution

The fourth proportional to 5,432.27, 8,150.22 and 2,146.30 is: 3,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.27 : 8,150.22 = 2,146.30 : x
  2. Step 2: Convert to fraction form
    5,432.27/8,150.22 = 2,146.30/x
  3. Step 3: Cross multiply
    5,432.27x = 8,150.22 × 2,146.30
  4. Step 4: Simplify right side
    5,432.27x = 17,492,796.81
  5. Step 5: Solve for x
    x = 17,492,796.81/5,432.27
  6. Step 6: Final answer
    x = 3,220.17

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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.