Home / 5,662.32-7,812.36-3,567.12

Finding the Fourth Proportional to 5,662.32, 7,812.36 and 3,567.12

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Solution

The fourth proportional to 5,662.32, 7,812.36 and 3,567.12 is: 4,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.32 : 7,812.36 = 3,567.12 : x
  2. Step 2: Convert to fraction form
    5,662.32/7,812.36 = 3,567.12/x
  3. Step 3: Cross multiply
    5,662.32x = 7,812.36 × 3,567.12
  4. Step 4: Simplify right side
    5,662.32x = 27,867,625.60
  5. Step 5: Solve for x
    x = 27,867,625.60/5,662.32
  6. Step 6: Final answer
    x = 4,921.59

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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.