Home / 5,319.96-7,344.82-3,644.12

Finding the Fourth Proportional to 5,319.96, 7,344.82 and 3,644.12

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Solution

The fourth proportional to 5,319.96, 7,344.82 and 3,644.12 is: 5,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.96 : 7,344.82 = 3,644.12 : x
  2. Step 2: Convert to fraction form
    5,319.96/7,344.82 = 3,644.12/x
  3. Step 3: Cross multiply
    5,319.96x = 7,344.82 × 3,644.12
  4. Step 4: Simplify right side
    5,319.96x = 26,765,405.46
  5. Step 5: Solve for x
    x = 26,765,405.46/5,319.96
  6. Step 6: Final answer
    x = 5,031.13

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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.