Home / 3,657.54-5,047.56-2,261.10

Finding the Fourth Proportional to 3,657.54, 5,047.56 and 2,261.10

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Solution

The fourth proportional to 3,657.54, 5,047.56 and 2,261.10 is: 3,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.54 : 5,047.56 = 2,261.10 : x
  2. Step 2: Convert to fraction form
    3,657.54/5,047.56 = 2,261.10/x
  3. Step 3: Cross multiply
    3,657.54x = 5,047.56 × 2,261.10
  4. Step 4: Simplify right side
    3,657.54x = 11,413,037.92
  5. Step 5: Solve for x
    x = 11,413,037.92/3,657.54
  6. Step 6: Final answer
    x = 3,120.41

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Half scale
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Double scale
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Similar ratio
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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.