Home / 2,615.16-3,899.67-2,252.28

Finding the Fourth Proportional to 2,615.16, 3,899.67 and 2,252.28

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Solution

The fourth proportional to 2,615.16, 3,899.67 and 2,252.28 is: 3,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.16 : 3,899.67 = 2,252.28 : x
  2. Step 2: Convert to fraction form
    2,615.16/3,899.67 = 2,252.28/x
  3. Step 3: Cross multiply
    2,615.16x = 3,899.67 × 2,252.28
  4. Step 4: Simplify right side
    2,615.16x = 8,783,148.75
  5. Step 5: Solve for x
    x = 8,783,148.75/2,615.16
  6. Step 6: Final answer
    x = 3,358.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.