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Finding the Fourth Proportional to 5,390.44, 8,085.66 and 1,494.84

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Solution

The fourth proportional to 5,390.44, 8,085.66 and 1,494.84 is: 2,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.44 : 8,085.66 = 1,494.84 : x
  2. Step 2: Convert to fraction form
    5,390.44/8,085.66 = 1,494.84/x
  3. Step 3: Cross multiply
    5,390.44x = 8,085.66 × 1,494.84
  4. Step 4: Simplify right side
    5,390.44x = 12,086,792.71
  5. Step 5: Solve for x
    x = 12,086,792.71/5,390.44
  6. Step 6: Final answer
    x = 2,242.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.