Home / 4,142.46-5,715.99-2,373.78

Finding the Fourth Proportional to 4,142.46, 5,715.99 and 2,373.78

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Solution

The fourth proportional to 4,142.46, 5,715.99 and 2,373.78 is: 3,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.46 : 5,715.99 = 2,373.78 : x
  2. Step 2: Convert to fraction form
    4,142.46/5,715.99 = 2,373.78/x
  3. Step 3: Cross multiply
    4,142.46x = 5,715.99 × 2,373.78
  4. Step 4: Simplify right side
    4,142.46x = 13,568,502.74
  5. Step 5: Solve for x
    x = 13,568,502.74/4,142.46
  6. Step 6: Final answer
    x = 3,275.47

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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.