Home / 7,175.48-9,902.40-4,031.96

Finding the Fourth Proportional to 7,175.48, 9,902.40 and 4,031.96

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Solution

The fourth proportional to 7,175.48, 9,902.40 and 4,031.96 is: 5,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.48 : 9,902.40 = 4,031.96 : x
  2. Step 2: Convert to fraction form
    7,175.48/9,902.40 = 4,031.96/x
  3. Step 3: Cross multiply
    7,175.48x = 9,902.40 × 4,031.96
  4. Step 4: Simplify right side
    7,175.48x = 39,926,080.70
  5. Step 5: Solve for x
    x = 39,926,080.70/7,175.48
  6. Step 6: Final answer
    x = 5,564.24

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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.