Home / 2,591.06-3,575.70-1,412.19

Finding the Fourth Proportional to 2,591.06, 3,575.70 and 1,412.19

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Solution

The fourth proportional to 2,591.06, 3,575.70 and 1,412.19 is: 1,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.06 : 3,575.70 = 1,412.19 : x
  2. Step 2: Convert to fraction form
    2,591.06/3,575.70 = 1,412.19/x
  3. Step 3: Cross multiply
    2,591.06x = 3,575.70 × 1,412.19
  4. Step 4: Simplify right side
    2,591.06x = 5,049,567.78
  5. Step 5: Solve for x
    x = 5,049,567.78/2,591.06
  6. Step 6: Final answer
    x = 1,948.85

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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.