Home / 7,013.31-10,521.41-2,082.51

Finding the Fourth Proportional to 7,013.31, 10,521.41 and 2,082.51

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Solution

The fourth proportional to 7,013.31, 10,521.41 and 2,082.51 is: 3,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.31 : 10,521.41 = 2,082.51 : x
  2. Step 2: Convert to fraction form
    7,013.31/10,521.41 = 2,082.51/x
  3. Step 3: Cross multiply
    7,013.31x = 10,521.41 × 2,082.51
  4. Step 4: Simplify right side
    7,013.31x = 21,910,931.13
  5. Step 5: Solve for x
    x = 21,910,931.13/7,013.31
  6. Step 6: Final answer
    x = 3,124.19

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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.