Home / 5,618.95-7,754.19-3,101.14

Finding the Fourth Proportional to 5,618.95, 7,754.19 and 3,101.14

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Solution

The fourth proportional to 5,618.95, 7,754.19 and 3,101.14 is: 4,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.95 : 7,754.19 = 3,101.14 : x
  2. Step 2: Convert to fraction form
    5,618.95/7,754.19 = 3,101.14/x
  3. Step 3: Cross multiply
    5,618.95x = 7,754.19 × 3,101.14
  4. Step 4: Simplify right side
    5,618.95x = 24,046,828.78
  5. Step 5: Solve for x
    x = 24,046,828.78/5,618.95
  6. Step 6: Final answer
    x = 4,279.59

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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.