Home / 5,720.20-7,893.96-3,482.17

Finding the Fourth Proportional to 5,720.20, 7,893.96 and 3,482.17

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Solution

The fourth proportional to 5,720.20, 7,893.96 and 3,482.17 is: 4,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.20 : 7,893.96 = 3,482.17 : x
  2. Step 2: Convert to fraction form
    5,720.20/7,893.96 = 3,482.17/x
  3. Step 3: Cross multiply
    5,720.20x = 7,893.96 × 3,482.17
  4. Step 4: Simplify right side
    5,720.20x = 27,488,110.69
  5. Step 5: Solve for x
    x = 27,488,110.69/5,720.20
  6. Step 6: Final answer
    x = 4,805.45

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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.