Home / 4,748.17-7,121.61-1,416.36

Finding the Fourth Proportional to 4,748.17, 7,121.61 and 1,416.36

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Solution

The fourth proportional to 4,748.17, 7,121.61 and 1,416.36 is: 2,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.17 : 7,121.61 = 1,416.36 : x
  2. Step 2: Convert to fraction form
    4,748.17/7,121.61 = 1,416.36/x
  3. Step 3: Cross multiply
    4,748.17x = 7,121.61 × 1,416.36
  4. Step 4: Simplify right side
    4,748.17x = 10,086,763.54
  5. Step 5: Solve for x
    x = 10,086,763.54/4,748.17
  6. Step 6: Final answer
    x = 2,124.35

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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.