Home / 5,415.22-8,126.07-4,974.58

Finding the Fourth Proportional to 5,415.22, 8,126.07 and 4,974.58

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Solution

The fourth proportional to 5,415.22, 8,126.07 and 4,974.58 is: 7,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.22 : 8,126.07 = 4,974.58 : x
  2. Step 2: Convert to fraction form
    5,415.22/8,126.07 = 4,974.58/x
  3. Step 3: Cross multiply
    5,415.22x = 8,126.07 × 4,974.58
  4. Step 4: Simplify right side
    5,415.22x = 40,423,785.30
  5. Step 5: Solve for x
    x = 40,423,785.30/5,415.22
  6. Step 6: Final answer
    x = 7,464.85

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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.