Home / 5,018.58-6,922.20-2,922.71

Finding the Fourth Proportional to 5,018.58, 6,922.20 and 2,922.71

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Solution

The fourth proportional to 5,018.58, 6,922.20 and 2,922.71 is: 4,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.58 : 6,922.20 = 2,922.71 : x
  2. Step 2: Convert to fraction form
    5,018.58/6,922.20 = 2,922.71/x
  3. Step 3: Cross multiply
    5,018.58x = 6,922.20 × 2,922.71
  4. Step 4: Simplify right side
    5,018.58x = 20,231,548.55
  5. Step 5: Solve for x
    x = 20,231,548.55/5,018.58
  6. Step 6: Final answer
    x = 4,031.33

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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.