Home / 3,091.71-4,647.60-2,482.09

Finding the Fourth Proportional to 3,091.71, 4,647.60 and 2,482.09

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Solution

The fourth proportional to 3,091.71, 4,647.60 and 2,482.09 is: 3,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.71 : 4,647.60 = 2,482.09 : x
  2. Step 2: Convert to fraction form
    3,091.71/4,647.60 = 2,482.09/x
  3. Step 3: Cross multiply
    3,091.71x = 4,647.60 × 2,482.09
  4. Step 4: Simplify right side
    3,091.71x = 11,535,761.48
  5. Step 5: Solve for x
    x = 11,535,761.48/3,091.71
  6. Step 6: Final answer
    x = 3,731.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.