Home / 3,358.64-5,047.96-2,270

Finding the Fourth Proportional to 3,358.64, 5,047.96 and 2,270

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Solution

The fourth proportional to 3,358.64, 5,047.96 and 2,270 is: 3,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.64 : 5,047.96 = 2,270 : x
  2. Step 2: Convert to fraction form
    3,358.64/5,047.96 = 2,270/x
  3. Step 3: Cross multiply
    3,358.64x = 5,047.96 × 2,270
  4. Step 4: Simplify right side
    3,358.64x = 11,458,869.20
  5. Step 5: Solve for x
    x = 11,458,869.20/3,358.64
  6. Step 6: Final answer
    x = 3,411.76

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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.