Home / 5,291.12-7,301.88-2,933.30

Finding the Fourth Proportional to 5,291.12, 7,301.88 and 2,933.30

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Solution

The fourth proportional to 5,291.12, 7,301.88 and 2,933.30 is: 4,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.12 : 7,301.88 = 2,933.30 : x
  2. Step 2: Convert to fraction form
    5,291.12/7,301.88 = 2,933.30/x
  3. Step 3: Cross multiply
    5,291.12x = 7,301.88 × 2,933.30
  4. Step 4: Simplify right side
    5,291.12x = 21,418,604.60
  5. Step 5: Solve for x
    x = 21,418,604.60/5,291.12
  6. Step 6: Final answer
    x = 4,048.03

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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.