Home / 3,191.19-4,404.14-1,864.81

Finding the Fourth Proportional to 3,191.19, 4,404.14 and 1,864.81

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Solution

The fourth proportional to 3,191.19, 4,404.14 and 1,864.81 is: 2,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.19 : 4,404.14 = 1,864.81 : x
  2. Step 2: Convert to fraction form
    3,191.19/4,404.14 = 1,864.81/x
  3. Step 3: Cross multiply
    3,191.19x = 4,404.14 × 1,864.81
  4. Step 4: Simplify right side
    3,191.19x = 8,212,884.31
  5. Step 5: Solve for x
    x = 8,212,884.31/3,191.19
  6. Step 6: Final answer
    x = 2,573.61

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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.