Home / 2,260.22-3,119.24-1,265.58

Finding the Fourth Proportional to 2,260.22, 3,119.24 and 1,265.58

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Solution

The fourth proportional to 2,260.22, 3,119.24 and 1,265.58 is: 1,746.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.22 : 3,119.24 = 1,265.58 : x
  2. Step 2: Convert to fraction form
    2,260.22/3,119.24 = 1,265.58/x
  3. Step 3: Cross multiply
    2,260.22x = 3,119.24 × 1,265.58
  4. Step 4: Simplify right side
    2,260.22x = 3,947,650.92
  5. Step 5: Solve for x
    x = 3,947,650.92/2,260.22
  6. Step 6: Final answer
    x = 1,746.58

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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.