Home / 5,241.31-7,864.63-3,487.46

Finding the Fourth Proportional to 5,241.31, 7,864.63 and 3,487.46

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Solution

The fourth proportional to 5,241.31, 7,864.63 and 3,487.46 is: 5,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.31 : 7,864.63 = 3,487.46 : x
  2. Step 2: Convert to fraction form
    5,241.31/7,864.63 = 3,487.46/x
  3. Step 3: Cross multiply
    5,241.31x = 7,864.63 × 3,487.46
  4. Step 4: Simplify right side
    5,241.31x = 27,427,534.50
  5. Step 5: Solve for x
    x = 27,427,534.50/5,241.31
  6. Step 6: Final answer
    x = 5,232.96

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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.