Home / 3,040.04-4,561.22-1,999.78

Finding the Fourth Proportional to 3,040.04, 4,561.22 and 1,999.78

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Solution

The fourth proportional to 3,040.04, 4,561.22 and 1,999.78 is: 3,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.04 : 4,561.22 = 1,999.78 : x
  2. Step 2: Convert to fraction form
    3,040.04/4,561.22 = 1,999.78/x
  3. Step 3: Cross multiply
    3,040.04x = 4,561.22 × 1,999.78
  4. Step 4: Simplify right side
    3,040.04x = 9,121,430.13
  5. Step 5: Solve for x
    x = 9,121,430.13/3,040.04
  6. Step 6: Final answer
    x = 3,000.43

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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.