Home / 3,517.13-4,853.12-2,988.14

Finding the Fourth Proportional to 3,517.13, 4,853.12 and 2,988.14

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Solution

The fourth proportional to 3,517.13, 4,853.12 and 2,988.14 is: 4,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.13 : 4,853.12 = 2,988.14 : x
  2. Step 2: Convert to fraction form
    3,517.13/4,853.12 = 2,988.14/x
  3. Step 3: Cross multiply
    3,517.13x = 4,853.12 × 2,988.14
  4. Step 4: Simplify right side
    3,517.13x = 14,501,762.79
  5. Step 5: Solve for x
    x = 14,501,762.79/3,517.13
  6. Step 6: Final answer
    x = 4,123.19

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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.