Home / 7,027.60-9,690.20-5,747.48

Finding the Fourth Proportional to 7,027.60, 9,690.20 and 5,747.48

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Solution

The fourth proportional to 7,027.60, 9,690.20 and 5,747.48 is: 7,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.60 : 9,690.20 = 5,747.48 : x
  2. Step 2: Convert to fraction form
    7,027.60/9,690.20 = 5,747.48/x
  3. Step 3: Cross multiply
    7,027.60x = 9,690.20 × 5,747.48
  4. Step 4: Simplify right side
    7,027.60x = 55,694,230.70
  5. Step 5: Solve for x
    x = 55,694,230.70/7,027.60
  6. Step 6: Final answer
    x = 7,925.07

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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.