Home / 7,778.19-10,733.88-4,241.61

Finding the Fourth Proportional to 7,778.19, 10,733.88 and 4,241.61

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Solution

The fourth proportional to 7,778.19, 10,733.88 and 4,241.61 is: 5,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.19 : 10,733.88 = 4,241.61 : x
  2. Step 2: Convert to fraction form
    7,778.19/10,733.88 = 4,241.61/x
  3. Step 3: Cross multiply
    7,778.19x = 10,733.88 × 4,241.61
  4. Step 4: Simplify right side
    7,778.19x = 45,528,932.75
  5. Step 5: Solve for x
    x = 45,528,932.75/7,778.19
  6. Step 6: Final answer
    x = 5,853.41

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Half 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.