Home / 5,353.88-7,390.34-4,031.42

Finding the Fourth Proportional to 5,353.88, 7,390.34 and 4,031.42

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Solution

The fourth proportional to 5,353.88, 7,390.34 and 4,031.42 is: 5,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.88 : 7,390.34 = 4,031.42 : x
  2. Step 2: Convert to fraction form
    5,353.88/7,390.34 = 4,031.42/x
  3. Step 3: Cross multiply
    5,353.88x = 7,390.34 × 4,031.42
  4. Step 4: Simplify right side
    5,353.88x = 29,793,507.37
  5. Step 5: Solve for x
    x = 29,793,507.37/5,353.88
  6. Step 6: Final answer
    x = 5,564.85

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1.5x scale

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.