Home / 7,132.29-10,689.53-3,433.83

Finding the Fourth Proportional to 7,132.29, 10,689.53 and 3,433.83

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Solution

The fourth proportional to 7,132.29, 10,689.53 and 3,433.83 is: 5,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.29 : 10,689.53 = 3,433.83 : x
  2. Step 2: Convert to fraction form
    7,132.29/10,689.53 = 3,433.83/x
  3. Step 3: Cross multiply
    7,132.29x = 10,689.53 × 3,433.83
  4. Step 4: Simplify right side
    7,132.29x = 36,706,011.63
  5. Step 5: Solve for x
    x = 36,706,011.63/7,132.29
  6. Step 6: Final answer
    x = 5,146.46

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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.