Home / 2,027.18-3,040.66-621.60

Finding the Fourth Proportional to 2,027.18, 3,040.66 and 621.60

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Solution

The fourth proportional to 2,027.18, 3,040.66 and 621.60 is: 932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.18 : 3,040.66 = 621.60 : x
  2. Step 2: Convert to fraction form
    2,027.18/3,040.66 = 621.60/x
  3. Step 3: Cross multiply
    2,027.18x = 3,040.66 × 621.60
  4. Step 4: Simplify right side
    2,027.18x = 1,890,057.50
  5. Step 5: Solve for x
    x = 1,890,057.50/2,027.18
  6. Step 6: Final answer
    x = 932.36

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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.