Home / 7,029.12-10,545.05-2,646.61

Finding the Fourth Proportional to 7,029.12, 10,545.05 and 2,646.61

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Solution

The fourth proportional to 7,029.12, 10,545.05 and 2,646.61 is: 3,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.12 : 10,545.05 = 2,646.61 : x
  2. Step 2: Convert to fraction form
    7,029.12/10,545.05 = 2,646.61/x
  3. Step 3: Cross multiply
    7,029.12x = 10,545.05 × 2,646.61
  4. Step 4: Simplify right side
    7,029.12x = 27,908,634.78
  5. Step 5: Solve for x
    x = 27,908,634.78/7,029.12
  6. Step 6: Final answer
    x = 3,970.43

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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.