Home / 7,910.36-11,865.08-2,363.58

Finding the Fourth Proportional to 7,910.36, 11,865.08 and 2,363.58

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Solution

The fourth proportional to 7,910.36, 11,865.08 and 2,363.58 is: 3,545.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.36 : 11,865.08 = 2,363.58 : x
  2. Step 2: Convert to fraction form
    7,910.36/11,865.08 = 2,363.58/x
  3. Step 3: Cross multiply
    7,910.36x = 11,865.08 × 2,363.58
  4. Step 4: Simplify right side
    7,910.36x = 28,044,071.70
  5. Step 5: Solve for x
    x = 28,044,071.70/7,910.36
  6. Step 6: Final answer
    x = 3,545.23

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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.