Home / 5,667.32-7,820.80-3,149.44

Finding the Fourth Proportional to 5,667.32, 7,820.80 and 3,149.44

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Solution

The fourth proportional to 5,667.32, 7,820.80 and 3,149.44 is: 4,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.32 : 7,820.80 = 3,149.44 : x
  2. Step 2: Convert to fraction form
    5,667.32/7,820.80 = 3,149.44/x
  3. Step 3: Cross multiply
    5,667.32x = 7,820.80 × 3,149.44
  4. Step 4: Simplify right side
    5,667.32x = 24,631,140.35
  5. Step 5: Solve for x
    x = 24,631,140.35/5,667.32
  6. Step 6: Final answer
    x = 4,346.17

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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.