Home / 4,012.92-5,538.42-2,440.71

Finding the Fourth Proportional to 4,012.92, 5,538.42 and 2,440.71

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Solution

The fourth proportional to 4,012.92, 5,538.42 and 2,440.71 is: 3,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.92 : 5,538.42 = 2,440.71 : x
  2. Step 2: Convert to fraction form
    4,012.92/5,538.42 = 2,440.71/x
  3. Step 3: Cross multiply
    4,012.92x = 5,538.42 × 2,440.71
  4. Step 4: Simplify right side
    4,012.92x = 13,517,677.08
  5. Step 5: Solve for x
    x = 13,517,677.08/4,012.92
  6. Step 6: Final answer
    x = 3,368.54

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Half scale
Find fourth proportional to 8,025.84, 11,076.84 and 4,881.42
Double scale
Find fourth proportional to 4,013.92, 5,539.80 and 2,441.71
Similar ratio
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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.