Home / 5,204.54-7,802.40-2,429.76

Finding the Fourth Proportional to 5,204.54, 7,802.40 and 2,429.76

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Solution

The fourth proportional to 5,204.54, 7,802.40 and 2,429.76 is: 3,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.54 : 7,802.40 = 2,429.76 : x
  2. Step 2: Convert to fraction form
    5,204.54/7,802.40 = 2,429.76/x
  3. Step 3: Cross multiply
    5,204.54x = 7,802.40 × 2,429.76
  4. Step 4: Simplify right side
    5,204.54x = 18,957,959.42
  5. Step 5: Solve for x
    x = 18,957,959.42/5,204.54
  6. Step 6: Final answer
    x = 3,642.58

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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.