Home / 6,929.56-10,387.86-2,545.84

Finding the Fourth Proportional to 6,929.56, 10,387.86 and 2,545.84

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Solution

The fourth proportional to 6,929.56, 10,387.86 and 2,545.84 is: 3,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.56 : 10,387.86 = 2,545.84 : x
  2. Step 2: Convert to fraction form
    6,929.56/10,387.86 = 2,545.84/x
  3. Step 3: Cross multiply
    6,929.56x = 10,387.86 × 2,545.84
  4. Step 4: Simplify right side
    6,929.56x = 26,445,829.50
  5. Step 5: Solve for x
    x = 26,445,829.50/6,929.56
  6. Step 6: Final answer
    x = 3,816.38

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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.