Home / 3,042.28-4,197.99-1,715.91

Finding the Fourth Proportional to 3,042.28, 4,197.99 and 1,715.91

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Solution

The fourth proportional to 3,042.28, 4,197.99 and 1,715.91 is: 2,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.28 : 4,197.99 = 1,715.91 : x
  2. Step 2: Convert to fraction form
    3,042.28/4,197.99 = 1,715.91/x
  3. Step 3: Cross multiply
    3,042.28x = 4,197.99 × 1,715.91
  4. Step 4: Simplify right side
    3,042.28x = 7,203,373.02
  5. Step 5: Solve for x
    x = 7,203,373.02/3,042.28
  6. Step 6: Final answer
    x = 2,367.75

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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.