Home / 3,512.46-5,264.12-1,430.04

Finding the Fourth Proportional to 3,512.46, 5,264.12 and 1,430.04

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Solution

The fourth proportional to 3,512.46, 5,264.12 and 1,430.04 is: 2,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.46 : 5,264.12 = 1,430.04 : x
  2. Step 2: Convert to fraction form
    3,512.46/5,264.12 = 1,430.04/x
  3. Step 3: Cross multiply
    3,512.46x = 5,264.12 × 1,430.04
  4. Step 4: Simplify right side
    3,512.46x = 7,527,902.16
  5. Step 5: Solve for x
    x = 7,527,902.16/3,512.46
  6. Step 6: Final answer
    x = 2,143.20

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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.