Home / 5,828.11-8,742.44-1,668.71

Finding the Fourth Proportional to 5,828.11, 8,742.44 and 1,668.71

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Solution

The fourth proportional to 5,828.11, 8,742.44 and 1,668.71 is: 2,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.11 : 8,742.44 = 1,668.71 : x
  2. Step 2: Convert to fraction form
    5,828.11/8,742.44 = 1,668.71/x
  3. Step 3: Cross multiply
    5,828.11x = 8,742.44 × 1,668.71
  4. Step 4: Simplify right side
    5,828.11x = 14,588,623.08
  5. Step 5: Solve for x
    x = 14,588,623.08/5,828.11
  6. Step 6: Final answer
    x = 2,503.15

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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.