Home / 5,445.72-8,169.76-1,550.16

Finding the Fourth Proportional to 5,445.72, 8,169.76 and 1,550.16

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Solution

The fourth proportional to 5,445.72, 8,169.76 and 1,550.16 is: 2,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.72 : 8,169.76 = 1,550.16 : x
  2. Step 2: Convert to fraction form
    5,445.72/8,169.76 = 1,550.16/x
  3. Step 3: Cross multiply
    5,445.72x = 8,169.76 × 1,550.16
  4. Step 4: Simplify right side
    5,445.72x = 12,664,435.16
  5. Step 5: Solve for x
    x = 12,664,435.16/5,445.72
  6. Step 6: Final answer
    x = 2,325.58

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Double scale
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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.