Home / 2,600.75-3,915.18-2,374.76

Finding the Fourth Proportional to 2,600.75, 3,915.18 and 2,374.76

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Solution

The fourth proportional to 2,600.75, 3,915.18 and 2,374.76 is: 3,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.75 : 3,915.18 = 2,374.76 : x
  2. Step 2: Convert to fraction form
    2,600.75/3,915.18 = 2,374.76/x
  3. Step 3: Cross multiply
    2,600.75x = 3,915.18 × 2,374.76
  4. Step 4: Simplify right side
    2,600.75x = 9,297,593.28
  5. Step 5: Solve for x
    x = 9,297,593.28/2,600.75
  6. Step 6: Final answer
    x = 3,574.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.