Home / 5,028.30-7,545.39-2,106.36

Finding the Fourth Proportional to 5,028.30, 7,545.39 and 2,106.36

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Solution

The fourth proportional to 5,028.30, 7,545.39 and 2,106.36 is: 3,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.30 : 7,545.39 = 2,106.36 : x
  2. Step 2: Convert to fraction form
    5,028.30/7,545.39 = 2,106.36/x
  3. Step 3: Cross multiply
    5,028.30x = 7,545.39 × 2,106.36
  4. Step 4: Simplify right side
    5,028.30x = 15,893,307.68
  5. Step 5: Solve for x
    x = 15,893,307.68/5,028.30
  6. Step 6: Final answer
    x = 3,160.77

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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.