Home / 2,436.47-3,654.70-1,999.07

Finding the Fourth Proportional to 2,436.47, 3,654.70 and 1,999.07

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Solution

The fourth proportional to 2,436.47, 3,654.70 and 1,999.07 is: 2,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.47 : 3,654.70 = 1,999.07 : x
  2. Step 2: Convert to fraction form
    2,436.47/3,654.70 = 1,999.07/x
  3. Step 3: Cross multiply
    2,436.47x = 3,654.70 × 1,999.07
  4. Step 4: Simplify right side
    2,436.47x = 7,306,001.13
  5. Step 5: Solve for x
    x = 7,306,001.13/2,436.47
  6. Step 6: Final answer
    x = 2,998.60

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Half 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.