Home / 4,712.18-6,494.99-4,143.56

Finding the Fourth Proportional to 4,712.18, 6,494.99 and 4,143.56

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Solution

The fourth proportional to 4,712.18, 6,494.99 and 4,143.56 is: 5,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.18 : 6,494.99 = 4,143.56 : x
  2. Step 2: Convert to fraction form
    4,712.18/6,494.99 = 4,143.56/x
  3. Step 3: Cross multiply
    4,712.18x = 6,494.99 × 4,143.56
  4. Step 4: Simplify right side
    4,712.18x = 26,912,327.57
  5. Step 5: Solve for x
    x = 26,912,327.57/4,712.18
  6. Step 6: Final answer
    x = 5,711.23

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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.