Home / 3,189.01-4,400.40-1,772.59

Finding the Fourth Proportional to 3,189.01, 4,400.40 and 1,772.59

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Solution

The fourth proportional to 3,189.01, 4,400.40 and 1,772.59 is: 2,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.01 : 4,400.40 = 1,772.59 : x
  2. Step 2: Convert to fraction form
    3,189.01/4,400.40 = 1,772.59/x
  3. Step 3: Cross multiply
    3,189.01x = 4,400.40 × 1,772.59
  4. Step 4: Simplify right side
    3,189.01x = 7,800,105.04
  5. Step 5: Solve for x
    x = 7,800,105.04/3,189.01
  6. Step 6: Final answer
    x = 2,445.93

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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.