Home / 2,516.77-3,474.78-1,635.08

Finding the Fourth Proportional to 2,516.77, 3,474.78 and 1,635.08

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Solution

The fourth proportional to 2,516.77, 3,474.78 and 1,635.08 is: 2,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.77 : 3,474.78 = 1,635.08 : x
  2. Step 2: Convert to fraction form
    2,516.77/3,474.78 = 1,635.08/x
  3. Step 3: Cross multiply
    2,516.77x = 3,474.78 × 1,635.08
  4. Step 4: Simplify right side
    2,516.77x = 5,681,543.28
  5. Step 5: Solve for x
    x = 5,681,543.28/2,516.77
  6. Step 6: Final answer
    x = 2,257.48

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Half scale
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Double scale
Find fourth proportional to 2,517.77, 3,476.16 and 1,636.08
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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.