Home / 5,822.82-8,031.38-5,629.95

Finding the Fourth Proportional to 5,822.82, 8,031.38 and 5,629.95

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Solution

The fourth proportional to 5,822.82, 8,031.38 and 5,629.95 is: 7,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,822.82 : 8,031.38 = 5,629.95 : x
  2. Step 2: Convert to fraction form
    5,822.82/8,031.38 = 5,629.95/x
  3. Step 3: Cross multiply
    5,822.82x = 8,031.38 × 5,629.95
  4. Step 4: Simplify right side
    5,822.82x = 45,216,239.68
  5. Step 5: Solve for x
    x = 45,216,239.68/5,822.82
  6. Step 6: Final answer
    x = 7,765.35

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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.