Home / 2,937.50-4,052.56-2,150.18

Finding the Fourth Proportional to 2,937.50, 4,052.56 and 2,150.18

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Solution

The fourth proportional to 2,937.50, 4,052.56 and 2,150.18 is: 2,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.50 : 4,052.56 = 2,150.18 : x
  2. Step 2: Convert to fraction form
    2,937.50/4,052.56 = 2,150.18/x
  3. Step 3: Cross multiply
    2,937.50x = 4,052.56 × 2,150.18
  4. Step 4: Simplify right side
    2,937.50x = 8,713,733.46
  5. Step 5: Solve for x
    x = 8,713,733.46/2,937.50
  6. Step 6: Final answer
    x = 2,966.38

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Half scale
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Double scale
Find fourth proportional to 2,938.50, 4,053.94 and 2,151.18
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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.