Home / 3,042.39-4,563.59-851.13

Finding the Fourth Proportional to 3,042.39, 4,563.59 and 851.13

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Solution

The fourth proportional to 3,042.39, 4,563.59 and 851.13 is: 1,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.39 : 4,563.59 = 851.13 : x
  2. Step 2: Convert to fraction form
    3,042.39/4,563.59 = 851.13/x
  3. Step 3: Cross multiply
    3,042.39x = 4,563.59 × 851.13
  4. Step 4: Simplify right side
    3,042.39x = 3,884,208.36
  5. Step 5: Solve for x
    x = 3,884,208.36/3,042.39
  6. Step 6: Final answer
    x = 1,276.70

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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.