Home / 2,625.16-3,915.56-2,472.88

Finding the Fourth Proportional to 2,625.16, 3,915.56 and 2,472.88

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Solution

The fourth proportional to 2,625.16, 3,915.56 and 2,472.88 is: 3,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.16 : 3,915.56 = 2,472.88 : x
  2. Step 2: Convert to fraction form
    2,625.16/3,915.56 = 2,472.88/x
  3. Step 3: Cross multiply
    2,625.16x = 3,915.56 × 2,472.88
  4. Step 4: Simplify right side
    2,625.16x = 9,682,710.01
  5. Step 5: Solve for x
    x = 9,682,710.01/2,625.16
  6. Step 6: Final answer
    x = 3,688.43

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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.