Home / 5,031.30-7,548.32-3,579.68

Finding the Fourth Proportional to 5,031.30, 7,548.32 and 3,579.68

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Solution

The fourth proportional to 5,031.30, 7,548.32 and 3,579.68 is: 5,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.30 : 7,548.32 = 3,579.68 : x
  2. Step 2: Convert to fraction form
    5,031.30/7,548.32 = 3,579.68/x
  3. Step 3: Cross multiply
    5,031.30x = 7,548.32 × 3,579.68
  4. Step 4: Simplify right side
    5,031.30x = 27,020,514.50
  5. Step 5: Solve for x
    x = 27,020,514.50/5,031.30
  6. Step 6: Final answer
    x = 5,370.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.