Home / 2,616.50-3,915.08-2,302.68

Finding the Fourth Proportional to 2,616.50, 3,915.08 and 2,302.68

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Solution

The fourth proportional to 2,616.50, 3,915.08 and 2,302.68 is: 3,445.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.50 : 3,915.08 = 2,302.68 : x
  2. Step 2: Convert to fraction form
    2,616.50/3,915.08 = 2,302.68/x
  3. Step 3: Cross multiply
    2,616.50x = 3,915.08 × 2,302.68
  4. Step 4: Simplify right side
    2,616.50x = 9,015,179.15
  5. Step 5: Solve for x
    x = 9,015,179.15/2,616.50
  6. Step 6: Final answer
    x = 3,445.51

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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.