Home / 2,625.47-3,939.58-2,474.21

Finding the Fourth Proportional to 2,625.47, 3,939.58 and 2,474.21

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Solution

The fourth proportional to 2,625.47, 3,939.58 and 2,474.21 is: 3,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.47 : 3,939.58 = 2,474.21 : x
  2. Step 2: Convert to fraction form
    2,625.47/3,939.58 = 2,474.21/x
  3. Step 3: Cross multiply
    2,625.47x = 3,939.58 × 2,474.21
  4. Step 4: Simplify right side
    2,625.47x = 9,747,328.53
  5. Step 5: Solve for x
    x = 9,747,328.53/2,625.47
  6. Step 6: Final answer
    x = 3,712.60

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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.