Home / 2,260.14-3,119.07-1,265.46

Finding the Fourth Proportional to 2,260.14, 3,119.07 and 1,265.46

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Solution

The fourth proportional to 2,260.14, 3,119.07 and 1,265.46 is: 1,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.14 : 3,119.07 = 1,265.46 : x
  2. Step 2: Convert to fraction form
    2,260.14/3,119.07 = 1,265.46/x
  3. Step 3: Cross multiply
    2,260.14x = 3,119.07 × 1,265.46
  4. Step 4: Simplify right side
    2,260.14x = 3,947,058.32
  5. Step 5: Solve for x
    x = 3,947,058.32/2,260.14
  6. Step 6: Final answer
    x = 1,746.38

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Half scale
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Double scale
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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.