Home / 6,278.58-8,664.46-3,625.98

Finding the Fourth Proportional to 6,278.58, 8,664.46 and 3,625.98

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Solution

The fourth proportional to 6,278.58, 8,664.46 and 3,625.98 is: 5,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.58 : 8,664.46 = 3,625.98 : x
  2. Step 2: Convert to fraction form
    6,278.58/8,664.46 = 3,625.98/x
  3. Step 3: Cross multiply
    6,278.58x = 8,664.46 × 3,625.98
  4. Step 4: Simplify right side
    6,278.58x = 31,417,158.67
  5. Step 5: Solve for x
    x = 31,417,158.67/6,278.58
  6. Step 6: Final answer
    x = 5,003.86

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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.