Home / 3,091.17-4,636.60-1,010.90

Finding the Fourth Proportional to 3,091.17, 4,636.60 and 1,010.90

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Solution

The fourth proportional to 3,091.17, 4,636.60 and 1,010.90 is: 1,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.17 : 4,636.60 = 1,010.90 : x
  2. Step 2: Convert to fraction form
    3,091.17/4,636.60 = 1,010.90/x
  3. Step 3: Cross multiply
    3,091.17x = 4,636.60 × 1,010.90
  4. Step 4: Simplify right side
    3,091.17x = 4,687,135.61
  5. Step 5: Solve for x
    x = 4,687,135.61/3,091.17
  6. Step 6: Final answer
    x = 1,516.30

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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.