Home / 5,828.62-8,741.45-1,668.65

Finding the Fourth Proportional to 5,828.62, 8,741.45 and 1,668.65

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Solution

The fourth proportional to 5,828.62, 8,741.45 and 1,668.65 is: 2,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.62 : 8,741.45 = 1,668.65 : x
  2. Step 2: Convert to fraction form
    5,828.62/8,741.45 = 1,668.65/x
  3. Step 3: Cross multiply
    5,828.62x = 8,741.45 × 1,668.65
  4. Step 4: Simplify right side
    5,828.62x = 14,586,381.01
  5. Step 5: Solve for x
    x = 14,586,381.01/5,828.62
  6. Step 6: Final answer
    x = 2,502.55

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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.