Home / 5,270.51-7,272.56-3,031.53

Finding the Fourth Proportional to 5,270.51, 7,272.56 and 3,031.53

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Solution

The fourth proportional to 5,270.51, 7,272.56 and 3,031.53 is: 4,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.51 : 7,272.56 = 3,031.53 : x
  2. Step 2: Convert to fraction form
    5,270.51/7,272.56 = 3,031.53/x
  3. Step 3: Cross multiply
    5,270.51x = 7,272.56 × 3,031.53
  4. Step 4: Simplify right side
    5,270.51x = 22,046,968.66
  5. Step 5: Solve for x
    x = 22,046,968.66/5,270.51
  6. Step 6: Final answer
    x = 4,183.08

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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.