Home / 6,223.37-8,588.22-3,390.74

Finding the Fourth Proportional to 6,223.37, 8,588.22 and 3,390.74

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Solution

The fourth proportional to 6,223.37, 8,588.22 and 3,390.74 is: 4,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.37 : 8,588.22 = 3,390.74 : x
  2. Step 2: Convert to fraction form
    6,223.37/8,588.22 = 3,390.74/x
  3. Step 3: Cross multiply
    6,223.37x = 8,588.22 × 3,390.74
  4. Step 4: Simplify right side
    6,223.37x = 29,120,382.66
  5. Step 5: Solve for x
    x = 29,120,382.66/6,223.37
  6. Step 6: Final answer
    x = 4,679.20

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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.