Home / 5,627.70-8,441.55-4,752.90

Finding the Fourth Proportional to 5,627.70, 8,441.55 and 4,752.90

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Solution

The fourth proportional to 5,627.70, 8,441.55 and 4,752.90 is: 7,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.70 : 8,441.55 = 4,752.90 : x
  2. Step 2: Convert to fraction form
    5,627.70/8,441.55 = 4,752.90/x
  3. Step 3: Cross multiply
    5,627.70x = 8,441.55 × 4,752.90
  4. Step 4: Simplify right side
    5,627.70x = 40,121,843.00
  5. Step 5: Solve for x
    x = 40,121,843.00/5,627.70
  6. Step 6: Final answer
    x = 7,129.35

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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.