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Finding the Fourth Proportional to 2,901.44, 4,351.24 and 953.20

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Solution

The fourth proportional to 2,901.44, 4,351.24 and 953.20 is: 1,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.44 : 4,351.24 = 953.20 : x
  2. Step 2: Convert to fraction form
    2,901.44/4,351.24 = 953.20/x
  3. Step 3: Cross multiply
    2,901.44x = 4,351.24 × 953.20
  4. Step 4: Simplify right side
    2,901.44x = 4,147,601.97
  5. Step 5: Solve for x
    x = 4,147,601.97/2,901.44
  6. Step 6: Final answer
    x = 1,429.50

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Half scale
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Double scale
Find fourth proportional to 2,902.44, 4,352.74 and 954.20
Similar ratio
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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.