Home / 2,948.89-4,421.92-1,716.68

Finding the Fourth Proportional to 2,948.89, 4,421.92 and 1,716.68

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Solution

The fourth proportional to 2,948.89, 4,421.92 and 1,716.68 is: 2,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.89 : 4,421.92 = 1,716.68 : x
  2. Step 2: Convert to fraction form
    2,948.89/4,421.92 = 1,716.68/x
  3. Step 3: Cross multiply
    2,948.89x = 4,421.92 × 1,716.68
  4. Step 4: Simplify right side
    2,948.89x = 7,591,021.63
  5. Step 5: Solve for x
    x = 7,591,021.63/2,948.89
  6. Step 6: Final answer
    x = 2,574.20

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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.