Home / 4,979.07-7,473.22-2,515.63

Finding the Fourth Proportional to 4,979.07, 7,473.22 and 2,515.63

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Solution

The fourth proportional to 4,979.07, 7,473.22 and 2,515.63 is: 3,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.07 : 7,473.22 = 2,515.63 : x
  2. Step 2: Convert to fraction form
    4,979.07/7,473.22 = 2,515.63/x
  3. Step 3: Cross multiply
    4,979.07x = 7,473.22 × 2,515.63
  4. Step 4: Simplify right side
    4,979.07x = 18,799,831.46
  5. Step 5: Solve for x
    x = 18,799,831.46/4,979.07
  6. Step 6: Final answer
    x = 3,775.77

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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.