Home / 4,885.92-7,328.88-2,540.16

Finding the Fourth Proportional to 4,885.92, 7,328.88 and 2,540.16

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Solution

The fourth proportional to 4,885.92, 7,328.88 and 2,540.16 is: 3,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.92 : 7,328.88 = 2,540.16 : x
  2. Step 2: Convert to fraction form
    4,885.92/7,328.88 = 2,540.16/x
  3. Step 3: Cross multiply
    4,885.92x = 7,328.88 × 2,540.16
  4. Step 4: Simplify right side
    4,885.92x = 18,616,527.82
  5. Step 5: Solve for x
    x = 18,616,527.82/4,885.92
  6. Step 6: Final answer
    x = 3,810.24

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.