Home / 7,958.85-11,938.51-3,799.30

Finding the Fourth Proportional to 7,958.85, 11,938.51 and 3,799.30

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Solution

The fourth proportional to 7,958.85, 11,938.51 and 3,799.30 is: 5,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.85 : 11,938.51 = 3,799.30 : x
  2. Step 2: Convert to fraction form
    7,958.85/11,938.51 = 3,799.30/x
  3. Step 3: Cross multiply
    7,958.85x = 11,938.51 × 3,799.30
  4. Step 4: Simplify right side
    7,958.85x = 45,357,981.04
  5. Step 5: Solve for x
    x = 45,357,981.04/7,958.85
  6. Step 6: Final answer
    x = 5,699.06

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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.