Home / 4,140.72-5,711.85-2,461.05

Finding the Fourth Proportional to 4,140.72, 5,711.85 and 2,461.05

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Solution

The fourth proportional to 4,140.72, 5,711.85 and 2,461.05 is: 3,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.72 : 5,711.85 = 2,461.05 : x
  2. Step 2: Convert to fraction form
    4,140.72/5,711.85 = 2,461.05/x
  3. Step 3: Cross multiply
    4,140.72x = 5,711.85 × 2,461.05
  4. Step 4: Simplify right side
    4,140.72x = 14,057,148.44
  5. Step 5: Solve for x
    x = 14,057,148.44/4,140.72
  6. Step 6: Final answer
    x = 3,394.86

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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.