Home / 4,463.80-6,686.58-2,116.69

Finding the Fourth Proportional to 4,463.80, 6,686.58 and 2,116.69

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Solution

The fourth proportional to 4,463.80, 6,686.58 and 2,116.69 is: 3,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,463.80 : 6,686.58 = 2,116.69 : x
  2. Step 2: Convert to fraction form
    4,463.80/6,686.58 = 2,116.69/x
  3. Step 3: Cross multiply
    4,463.80x = 6,686.58 × 2,116.69
  4. Step 4: Simplify right side
    4,463.80x = 14,153,417.02
  5. Step 5: Solve for x
    x = 14,153,417.02/4,463.80
  6. Step 6: Final answer
    x = 3,170.71

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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.