Home / 3,312.36-4,944.21-3,072

Finding the Fourth Proportional to 3,312.36, 4,944.21 and 3,072

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Solution

The fourth proportional to 3,312.36, 4,944.21 and 3,072 is: 4,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.36 : 4,944.21 = 3,072 : x
  2. Step 2: Convert to fraction form
    3,312.36/4,944.21 = 3,072/x
  3. Step 3: Cross multiply
    3,312.36x = 4,944.21 × 3,072
  4. Step 4: Simplify right side
    3,312.36x = 15,188,613.12
  5. Step 5: Solve for x
    x = 15,188,613.12/3,312.36
  6. Step 6: Final answer
    x = 4,585.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.