Home / 6,223.72-8,588.84-3,391.23

Finding the Fourth Proportional to 6,223.72, 8,588.84 and 3,391.23

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Solution

The fourth proportional to 6,223.72, 8,588.84 and 3,391.23 is: 4,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.72 : 8,588.84 = 3,391.23 : x
  2. Step 2: Convert to fraction form
    6,223.72/8,588.84 = 3,391.23/x
  3. Step 3: Cross multiply
    6,223.72x = 8,588.84 × 3,391.23
  4. Step 4: Simplify right side
    6,223.72x = 29,126,714.92
  5. Step 5: Solve for x
    x = 29,126,714.92/6,223.72
  6. Step 6: Final answer
    x = 4,679.95

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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.