Home / 5,431.04-7,493.16-3,192.88

Finding the Fourth Proportional to 5,431.04, 7,493.16 and 3,192.88

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Solution

The fourth proportional to 5,431.04, 7,493.16 and 3,192.88 is: 4,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.04 : 7,493.16 = 3,192.88 : x
  2. Step 2: Convert to fraction form
    5,431.04/7,493.16 = 3,192.88/x
  3. Step 3: Cross multiply
    5,431.04x = 7,493.16 × 3,192.88
  4. Step 4: Simplify right side
    5,431.04x = 23,924,760.70
  5. Step 5: Solve for x
    x = 23,924,760.70/5,431.04
  6. Step 6: Final answer
    x = 4,405.19

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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.