Home / 4,127.16-5,693.76-2,798.76

Finding the Fourth Proportional to 4,127.16, 5,693.76 and 2,798.76

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Solution

The fourth proportional to 4,127.16, 5,693.76 and 2,798.76 is: 3,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.16 : 5,693.76 = 2,798.76 : x
  2. Step 2: Convert to fraction form
    4,127.16/5,693.76 = 2,798.76/x
  3. Step 3: Cross multiply
    4,127.16x = 5,693.76 × 2,798.76
  4. Step 4: Simplify right side
    4,127.16x = 15,935,467.74
  5. Step 5: Solve for x
    x = 15,935,467.74/4,127.16
  6. Step 6: Final answer
    x = 3,861.12

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Half scale
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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.