Home / 2,711.38-3,740.60-1,827.47

Finding the Fourth Proportional to 2,711.38, 3,740.60 and 1,827.47

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Solution

The fourth proportional to 2,711.38, 3,740.60 and 1,827.47 is: 2,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.38 : 3,740.60 = 1,827.47 : x
  2. Step 2: Convert to fraction form
    2,711.38/3,740.60 = 1,827.47/x
  3. Step 3: Cross multiply
    2,711.38x = 3,740.60 × 1,827.47
  4. Step 4: Simplify right side
    2,711.38x = 6,835,806.44
  5. Step 5: Solve for x
    x = 6,835,806.44/2,711.38
  6. Step 6: Final answer
    x = 2,521.15

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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.