Home / 2,839.92-3,919.14-1,597.92

Finding the Fourth Proportional to 2,839.92, 3,919.14 and 1,597.92

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Solution

The fourth proportional to 2,839.92, 3,919.14 and 1,597.92 is: 2,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.92 : 3,919.14 = 1,597.92 : x
  2. Step 2: Convert to fraction form
    2,839.92/3,919.14 = 1,597.92/x
  3. Step 3: Cross multiply
    2,839.92x = 3,919.14 × 1,597.92
  4. Step 4: Simplify right side
    2,839.92x = 6,262,472.19
  5. Step 5: Solve for x
    x = 6,262,472.19/2,839.92
  6. Step 6: Final answer
    x = 2,205.16

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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.