Home / 4,343.72-5,986.50-3,162.92

Finding the Fourth Proportional to 4,343.72, 5,986.50 and 3,162.92

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Solution

The fourth proportional to 4,343.72, 5,986.50 and 3,162.92 is: 4,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.72 : 5,986.50 = 3,162.92 : x
  2. Step 2: Convert to fraction form
    4,343.72/5,986.50 = 3,162.92/x
  3. Step 3: Cross multiply
    4,343.72x = 5,986.50 × 3,162.92
  4. Step 4: Simplify right side
    4,343.72x = 18,934,820.58
  5. Step 5: Solve for x
    x = 18,934,820.58/4,343.72
  6. Step 6: Final answer
    x = 4,359.13

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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.