Home / 4,191.12-5,783.11-2,422.39

Finding the Fourth Proportional to 4,191.12, 5,783.11 and 2,422.39

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Solution

The fourth proportional to 4,191.12, 5,783.11 and 2,422.39 is: 3,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.12 : 5,783.11 = 2,422.39 : x
  2. Step 2: Convert to fraction form
    4,191.12/5,783.11 = 2,422.39/x
  3. Step 3: Cross multiply
    4,191.12x = 5,783.11 × 2,422.39
  4. Step 4: Simplify right side
    4,191.12x = 14,008,947.83
  5. Step 5: Solve for x
    x = 14,008,947.83/4,191.12
  6. Step 6: Final answer
    x = 3,342.53

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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.