Home / 3,151.16-4,348.49-1,734.77

Finding the Fourth Proportional to 3,151.16, 4,348.49 and 1,734.77

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Solution

The fourth proportional to 3,151.16, 4,348.49 and 1,734.77 is: 2,393.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.16 : 4,348.49 = 1,734.77 : x
  2. Step 2: Convert to fraction form
    3,151.16/4,348.49 = 1,734.77/x
  3. Step 3: Cross multiply
    3,151.16x = 4,348.49 × 1,734.77
  4. Step 4: Simplify right side
    3,151.16x = 7,543,599.58
  5. Step 5: Solve for x
    x = 7,543,599.58/3,151.16
  6. Step 6: Final answer
    x = 2,393.92

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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.