Home / 5,812.78-8,697.64-3,474.06

Finding the Fourth Proportional to 5,812.78, 8,697.64 and 3,474.06

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Solution

The fourth proportional to 5,812.78, 8,697.64 and 3,474.06 is: 5,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.78 : 8,697.64 = 3,474.06 : x
  2. Step 2: Convert to fraction form
    5,812.78/8,697.64 = 3,474.06/x
  3. Step 3: Cross multiply
    5,812.78x = 8,697.64 × 3,474.06
  4. Step 4: Simplify right side
    5,812.78x = 30,216,123.22
  5. Step 5: Solve for x
    x = 30,216,123.22/5,812.78
  6. Step 6: Final answer
    x = 5,198.22

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1.5x scale

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.