Home / 4,851.24-7,278.64-2,904.80

Finding the Fourth Proportional to 4,851.24, 7,278.64 and 2,904.80

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Solution

The fourth proportional to 4,851.24, 7,278.64 and 2,904.80 is: 4,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.24 : 7,278.64 = 2,904.80 : x
  2. Step 2: Convert to fraction form
    4,851.24/7,278.64 = 2,904.80/x
  3. Step 3: Cross multiply
    4,851.24x = 7,278.64 × 2,904.80
  4. Step 4: Simplify right side
    4,851.24x = 21,142,993.47
  5. Step 5: Solve for x
    x = 21,142,993.47/4,851.24
  6. Step 6: Final answer
    x = 4,358.27

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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.