Home / 7,424.47-11,135.51-2,746.70

Finding the Fourth Proportional to 7,424.47, 11,135.51 and 2,746.70

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Solution

The fourth proportional to 7,424.47, 11,135.51 and 2,746.70 is: 4,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.47 : 11,135.51 = 2,746.70 : x
  2. Step 2: Convert to fraction form
    7,424.47/11,135.51 = 2,746.70/x
  3. Step 3: Cross multiply
    7,424.47x = 11,135.51 × 2,746.70
  4. Step 4: Simplify right side
    7,424.47x = 30,585,905.32
  5. Step 5: Solve for x
    x = 30,585,905.32/7,424.47
  6. Step 6: Final answer
    x = 4,119.61

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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.