Home / 3,685.78-5,526.62-1,219.94

Finding the Fourth Proportional to 3,685.78, 5,526.62 and 1,219.94

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Solution

The fourth proportional to 3,685.78, 5,526.62 and 1,219.94 is: 1,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.78 : 5,526.62 = 1,219.94 : x
  2. Step 2: Convert to fraction form
    3,685.78/5,526.62 = 1,219.94/x
  3. Step 3: Cross multiply
    3,685.78x = 5,526.62 × 1,219.94
  4. Step 4: Simplify right side
    3,685.78x = 6,742,144.80
  5. Step 5: Solve for x
    x = 6,742,144.80/3,685.78
  6. Step 6: Final answer
    x = 1,829.23

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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.