Home / 5,828.29-8,742.33-1,445.72

Finding the Fourth Proportional to 5,828.29, 8,742.33 and 1,445.72

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Solution

The fourth proportional to 5,828.29, 8,742.33 and 1,445.72 is: 2,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.29 : 8,742.33 = 1,445.72 : x
  2. Step 2: Convert to fraction form
    5,828.29/8,742.33 = 1,445.72/x
  3. Step 3: Cross multiply
    5,828.29x = 8,742.33 × 1,445.72
  4. Step 4: Simplify right side
    5,828.29x = 12,638,917.62
  5. Step 5: Solve for x
    x = 12,638,917.62/5,828.29
  6. Step 6: Final answer
    x = 2,168.55

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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.