Home / 10,319.15-15,484.87-3,745.85

Finding the Fourth Proportional to 10,319.15, 15,484.87 and 3,745.85

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Solution

The fourth proportional to 10,319.15, 15,484.87 and 3,745.85 is: 5,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.15 : 15,484.87 = 3,745.85 : x
  2. Step 2: Convert to fraction form
    10,319.15/15,484.87 = 3,745.85/x
  3. Step 3: Cross multiply
    10,319.15x = 15,484.87 × 3,745.85
  4. Step 4: Simplify right side
    10,319.15x = 58,004,000.29
  5. Step 5: Solve for x
    x = 58,004,000.29/10,319.15
  6. Step 6: Final answer
    x = 5,621.01

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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.