Home / 5,810.48-8,719.42-2,112.35

Finding the Fourth Proportional to 5,810.48, 8,719.42 and 2,112.35

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Solution

The fourth proportional to 5,810.48, 8,719.42 and 2,112.35 is: 3,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.48 : 8,719.42 = 2,112.35 : x
  2. Step 2: Convert to fraction form
    5,810.48/8,719.42 = 2,112.35/x
  3. Step 3: Cross multiply
    5,810.48x = 8,719.42 × 2,112.35
  4. Step 4: Simplify right side
    5,810.48x = 18,418,466.84
  5. Step 5: Solve for x
    x = 18,418,466.84/5,810.48
  6. Step 6: Final answer
    x = 3,169.87

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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.