Home / 5,231.61-7,842.56-2,308.32

Finding the Fourth Proportional to 5,231.61, 7,842.56 and 2,308.32

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Solution

The fourth proportional to 5,231.61, 7,842.56 and 2,308.32 is: 3,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.61 : 7,842.56 = 2,308.32 : x
  2. Step 2: Convert to fraction form
    5,231.61/7,842.56 = 2,308.32/x
  3. Step 3: Cross multiply
    5,231.61x = 7,842.56 × 2,308.32
  4. Step 4: Simplify right side
    5,231.61x = 18,103,126.56
  5. Step 5: Solve for x
    x = 18,103,126.56/5,231.61
  6. Step 6: Final answer
    x = 3,460.34

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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.