Home / 1,724.19-2,584.23-992.25

Finding the Fourth Proportional to 1,724.19, 2,584.23 and 992.25

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Solution

The fourth proportional to 1,724.19, 2,584.23 and 992.25 is: 1,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.19 : 2,584.23 = 992.25 : x
  2. Step 2: Convert to fraction form
    1,724.19/2,584.23 = 992.25/x
  3. Step 3: Cross multiply
    1,724.19x = 2,584.23 × 992.25
  4. Step 4: Simplify right side
    1,724.19x = 2,564,202.22
  5. Step 5: Solve for x
    x = 2,564,202.22/1,724.19
  6. Step 6: Final answer
    x = 1,487.19

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