Home / 5,408.19-7,441.63-4,148.75

Finding the Fourth Proportional to 5,408.19, 7,441.63 and 4,148.75

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Solution

The fourth proportional to 5,408.19, 7,441.63 and 4,148.75 is: 5,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.19 : 7,441.63 = 4,148.75 : x
  2. Step 2: Convert to fraction form
    5,408.19/7,441.63 = 4,148.75/x
  3. Step 3: Cross multiply
    5,408.19x = 7,441.63 × 4,148.75
  4. Step 4: Simplify right side
    5,408.19x = 30,873,470.69
  5. Step 5: Solve for x
    x = 30,873,470.69/5,408.19
  6. Step 6: Final answer
    x = 5,708.65

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Double scale
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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.