Home / 5,740.03-7,921.65-3,222.39

Finding the Fourth Proportional to 5,740.03, 7,921.65 and 3,222.39

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Solution

The fourth proportional to 5,740.03, 7,921.65 and 3,222.39 is: 4,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.03 : 7,921.65 = 3,222.39 : x
  2. Step 2: Convert to fraction form
    5,740.03/7,921.65 = 3,222.39/x
  3. Step 3: Cross multiply
    5,740.03x = 7,921.65 × 3,222.39
  4. Step 4: Simplify right side
    5,740.03x = 25,526,645.74
  5. Step 5: Solve for x
    x = 25,526,645.74/5,740.03
  6. Step 6: Final answer
    x = 4,447.13

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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.