Home / 4,115.74-5,679.95-2,436.76

Finding the Fourth Proportional to 4,115.74, 5,679.95 and 2,436.76

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Solution

The fourth proportional to 4,115.74, 5,679.95 and 2,436.76 is: 3,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.74 : 5,679.95 = 2,436.76 : x
  2. Step 2: Convert to fraction form
    4,115.74/5,679.95 = 2,436.76/x
  3. Step 3: Cross multiply
    4,115.74x = 5,679.95 × 2,436.76
  4. Step 4: Simplify right side
    4,115.74x = 13,840,674.96
  5. Step 5: Solve for x
    x = 13,840,674.96/4,115.74
  6. Step 6: Final answer
    x = 3,362.86

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Half scale
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Double 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.