Home / 4,105.90-6,155.16-1,508.20

Finding the Fourth Proportional to 4,105.90, 6,155.16 and 1,508.20

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Solution

The fourth proportional to 4,105.90, 6,155.16 and 1,508.20 is: 2,260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.90 : 6,155.16 = 1,508.20 : x
  2. Step 2: Convert to fraction form
    4,105.90/6,155.16 = 1,508.20/x
  3. Step 3: Cross multiply
    4,105.90x = 6,155.16 × 1,508.20
  4. Step 4: Simplify right side
    4,105.90x = 9,283,212.31
  5. Step 5: Solve for x
    x = 9,283,212.31/4,105.90
  6. Step 6: Final answer
    x = 2,260.94

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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.