Home / 7,514.32-10,365.24-5,530

Finding the Fourth Proportional to 7,514.32, 10,365.24 and 5,530

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Solution

The fourth proportional to 7,514.32, 10,365.24 and 5,530 is: 7,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.32 : 10,365.24 = 5,530 : x
  2. Step 2: Convert to fraction form
    7,514.32/10,365.24 = 5,530/x
  3. Step 3: Cross multiply
    7,514.32x = 10,365.24 × 5,530
  4. Step 4: Simplify right side
    7,514.32x = 57,319,777.20
  5. Step 5: Solve for x
    x = 57,319,777.20/7,514.32
  6. Step 6: Final answer
    x = 7,628.07

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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.