Home / 4,713.49-7,070.25-1,426.55

Finding the Fourth Proportional to 4,713.49, 7,070.25 and 1,426.55

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Solution

The fourth proportional to 4,713.49, 7,070.25 and 1,426.55 is: 2,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.49 : 7,070.25 = 1,426.55 : x
  2. Step 2: Convert to fraction form
    4,713.49/7,070.25 = 1,426.55/x
  3. Step 3: Cross multiply
    4,713.49x = 7,070.25 × 1,426.55
  4. Step 4: Simplify right side
    4,713.49x = 10,086,065.14
  5. Step 5: Solve for x
    x = 10,086,065.14/4,713.49
  6. Step 6: Final answer
    x = 2,139.83

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.