Home / 1,512.93-2,261.00-1,217.18

Finding the Fourth Proportional to 1,512.93, 2,261.00 and 1,217.18

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Solution

The fourth proportional to 1,512.93, 2,261.00 and 1,217.18 is: 1,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.93 : 2,261.00 = 1,217.18 : x
  2. Step 2: Convert to fraction form
    1,512.93/2,261.00 = 1,217.18/x
  3. Step 3: Cross multiply
    1,512.93x = 2,261.00 × 1,217.18
  4. Step 4: Simplify right side
    1,512.93x = 2,752,026.59
  5. Step 5: Solve for x
    x = 2,752,026.59/1,512.93
  6. Step 6: Final answer
    x = 1,819.00

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.