Home / 5,353.79-8,031.27-2,235.29

Finding the Fourth Proportional to 5,353.79, 8,031.27 and 2,235.29

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Solution

The fourth proportional to 5,353.79, 8,031.27 and 2,235.29 is: 3,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.79 : 8,031.27 = 2,235.29 : x
  2. Step 2: Convert to fraction form
    5,353.79/8,031.27 = 2,235.29/x
  3. Step 3: Cross multiply
    5,353.79x = 8,031.27 × 2,235.29
  4. Step 4: Simplify right side
    5,353.79x = 17,952,177.36
  5. Step 5: Solve for x
    x = 17,952,177.36/5,353.79
  6. Step 6: Final answer
    x = 3,353.17

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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.