Home / 3,314.55-4,964.01-2,879.38

Finding the Fourth Proportional to 3,314.55, 4,964.01 and 2,879.38

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Solution

The fourth proportional to 3,314.55, 4,964.01 and 2,879.38 is: 4,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.55 : 4,964.01 = 2,879.38 : x
  2. Step 2: Convert to fraction form
    3,314.55/4,964.01 = 2,879.38/x
  3. Step 3: Cross multiply
    3,314.55x = 4,964.01 × 2,879.38
  4. Step 4: Simplify right side
    3,314.55x = 14,293,271.11
  5. Step 5: Solve for x
    x = 14,293,271.11/3,314.55
  6. Step 6: Final answer
    x = 4,312.28

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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.