Home / 5,357.80-8,058.30-4,796.20

Finding the Fourth Proportional to 5,357.80, 8,058.30 and 4,796.20

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Solution

The fourth proportional to 5,357.80, 8,058.30 and 4,796.20 is: 7,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.80 : 8,058.30 = 4,796.20 : x
  2. Step 2: Convert to fraction form
    5,357.80/8,058.30 = 4,796.20/x
  3. Step 3: Cross multiply
    5,357.80x = 8,058.30 × 4,796.20
  4. Step 4: Simplify right side
    5,357.80x = 38,649,218.46
  5. Step 5: Solve for x
    x = 38,649,218.46/5,357.80
  6. Step 6: Final answer
    x = 7,213.64

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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.