Home / 4,815.50-7,223.25-1,167.50

Finding the Fourth Proportional to 4,815.50, 7,223.25 and 1,167.50

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Solution

The fourth proportional to 4,815.50, 7,223.25 and 1,167.50 is: 1,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.50 : 7,223.25 = 1,167.50 : x
  2. Step 2: Convert to fraction form
    4,815.50/7,223.25 = 1,167.50/x
  3. Step 3: Cross multiply
    4,815.50x = 7,223.25 × 1,167.50
  4. Step 4: Simplify right side
    4,815.50x = 8,433,144.38
  5. Step 5: Solve for x
    x = 8,433,144.38/4,815.50
  6. Step 6: Final answer
    x = 1,751.25

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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.