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Finding the Fourth Proportional to 5,064.18, 6,994.65 and 3,899.22

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Solution

The fourth proportional to 5,064.18, 6,994.65 and 3,899.22 is: 5,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.18 : 6,994.65 = 3,899.22 : x
  2. Step 2: Convert to fraction form
    5,064.18/6,994.65 = 3,899.22/x
  3. Step 3: Cross multiply
    5,064.18x = 6,994.65 × 3,899.22
  4. Step 4: Simplify right side
    5,064.18x = 27,273,679.17
  5. Step 5: Solve for x
    x = 27,273,679.17/5,064.18
  6. Step 6: Final answer
    x = 5,385.61

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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.