Home / 7,215.30-10,822.05-3,056.97

Finding the Fourth Proportional to 7,215.30, 10,822.05 and 3,056.97

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Solution

The fourth proportional to 7,215.30, 10,822.05 and 3,056.97 is: 4,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.30 : 10,822.05 = 3,056.97 : x
  2. Step 2: Convert to fraction form
    7,215.30/10,822.05 = 3,056.97/x
  3. Step 3: Cross multiply
    7,215.30x = 10,822.05 × 3,056.97
  4. Step 4: Simplify right side
    7,215.30x = 33,082,682.19
  5. Step 5: Solve for x
    x = 33,082,682.19/7,215.30
  6. Step 6: Final answer
    x = 4,585.07

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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.