Home / 3,091.25-4,636.72-1,011.17

Finding the Fourth Proportional to 3,091.25, 4,636.72 and 1,011.17

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Solution

The fourth proportional to 3,091.25, 4,636.72 and 1,011.17 is: 1,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.25 : 4,636.72 = 1,011.17 : x
  2. Step 2: Convert to fraction form
    3,091.25/4,636.72 = 1,011.17/x
  3. Step 3: Cross multiply
    3,091.25x = 4,636.72 × 1,011.17
  4. Step 4: Simplify right side
    3,091.25x = 4,688,512.16
  5. Step 5: Solve for x
    x = 4,688,512.16/3,091.25
  6. Step 6: Final answer
    x = 1,516.70

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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.