Home / 3,712.88-5,127.74-2,523.18

Finding the Fourth Proportional to 3,712.88, 5,127.74 and 2,523.18

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Solution

The fourth proportional to 3,712.88, 5,127.74 and 2,523.18 is: 3,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.88 : 5,127.74 = 2,523.18 : x
  2. Step 2: Convert to fraction form
    3,712.88/5,127.74 = 2,523.18/x
  3. Step 3: Cross multiply
    3,712.88x = 5,127.74 × 2,523.18
  4. Step 4: Simplify right side
    3,712.88x = 12,938,198.40
  5. Step 5: Solve for x
    x = 12,938,198.40/3,712.88
  6. Step 6: Final answer
    x = 3,484.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.