Home / 1,848.25-2,551.52-1,427.65

Finding the Fourth Proportional to 1,848.25, 2,551.52 and 1,427.65

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Solution

The fourth proportional to 1,848.25, 2,551.52 and 1,427.65 is: 1,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.25 : 2,551.52 = 1,427.65 : x
  2. Step 2: Convert to fraction form
    1,848.25/2,551.52 = 1,427.65/x
  3. Step 3: Cross multiply
    1,848.25x = 2,551.52 × 1,427.65
  4. Step 4: Simplify right side
    1,848.25x = 3,642,677.53
  5. Step 5: Solve for x
    x = 3,642,677.53/1,848.25
  6. Step 6: Final answer
    x = 1,970.88

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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.