Home / 4,230.28-5,838.12-2,461.78

Finding the Fourth Proportional to 4,230.28, 5,838.12 and 2,461.78

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Solution

The fourth proportional to 4,230.28, 5,838.12 and 2,461.78 is: 3,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.28 : 5,838.12 = 2,461.78 : x
  2. Step 2: Convert to fraction form
    4,230.28/5,838.12 = 2,461.78/x
  3. Step 3: Cross multiply
    4,230.28x = 5,838.12 × 2,461.78
  4. Step 4: Simplify right side
    4,230.28x = 14,372,167.05
  5. Step 5: Solve for x
    x = 14,372,167.05/4,230.28
  6. Step 6: Final answer
    x = 3,397.45

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Half scale
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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.