Home / 3,678.73-5,076.65-2,000.13

Finding the Fourth Proportional to 3,678.73, 5,076.65 and 2,000.13

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Solution

The fourth proportional to 3,678.73, 5,076.65 and 2,000.13 is: 2,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.73 : 5,076.65 = 2,000.13 : x
  2. Step 2: Convert to fraction form
    3,678.73/5,076.65 = 2,000.13/x
  3. Step 3: Cross multiply
    3,678.73x = 5,076.65 × 2,000.13
  4. Step 4: Simplify right side
    3,678.73x = 10,153,959.96
  5. Step 5: Solve for x
    x = 10,153,959.96/3,678.73
  6. Step 6: Final answer
    x = 2,760.18

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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.