Home / 5,667.36-7,820.07-3,149.24

Finding the Fourth Proportional to 5,667.36, 7,820.07 and 3,149.24

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Solution

The fourth proportional to 5,667.36, 7,820.07 and 3,149.24 is: 4,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.36 : 7,820.07 = 3,149.24 : x
  2. Step 2: Convert to fraction form
    5,667.36/7,820.07 = 3,149.24/x
  3. Step 3: Cross multiply
    5,667.36x = 7,820.07 × 3,149.24
  4. Step 4: Simplify right side
    5,667.36x = 24,627,238.15
  5. Step 5: Solve for x
    x = 24,627,238.15/5,667.36
  6. Step 6: Final answer
    x = 4,345.45

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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.