Home / 5,012.72-7,518.56-1,726.04

Finding the Fourth Proportional to 5,012.72, 7,518.56 and 1,726.04

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Solution

The fourth proportional to 5,012.72, 7,518.56 and 1,726.04 is: 2,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.72 : 7,518.56 = 1,726.04 : x
  2. Step 2: Convert to fraction form
    5,012.72/7,518.56 = 1,726.04/x
  3. Step 3: Cross multiply
    5,012.72x = 7,518.56 × 1,726.04
  4. Step 4: Simplify right side
    5,012.72x = 12,977,289.08
  5. Step 5: Solve for x
    x = 12,977,289.08/5,012.72
  6. Step 6: Final answer
    x = 2,588.87

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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.