Home / 5,031.75-7,540.33-2,835.81

Finding the Fourth Proportional to 5,031.75, 7,540.33 and 2,835.81

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Solution

The fourth proportional to 5,031.75, 7,540.33 and 2,835.81 is: 4,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.75 : 7,540.33 = 2,835.81 : x
  2. Step 2: Convert to fraction form
    5,031.75/7,540.33 = 2,835.81/x
  3. Step 3: Cross multiply
    5,031.75x = 7,540.33 × 2,835.81
  4. Step 4: Simplify right side
    5,031.75x = 21,382,905.52
  5. Step 5: Solve for x
    x = 21,382,905.52/5,031.75
  6. Step 6: Final answer
    x = 4,249.60

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1.5x scale

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.