Home / 4,579.49-6,870.42-2,116.07

Finding the Fourth Proportional to 4,579.49, 6,870.42 and 2,116.07

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Solution

The fourth proportional to 4,579.49, 6,870.42 and 2,116.07 is: 3,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.49 : 6,870.42 = 2,116.07 : x
  2. Step 2: Convert to fraction form
    4,579.49/6,870.42 = 2,116.07/x
  3. Step 3: Cross multiply
    4,579.49x = 6,870.42 × 2,116.07
  4. Step 4: Simplify right side
    4,579.49x = 14,538,319.71
  5. Step 5: Solve for x
    x = 14,538,319.71/4,579.49
  6. Step 6: Final answer
    x = 3,174.66

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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.