Home / 4,098.57-6,147.78-1,020.57

Finding the Fourth Proportional to 4,098.57, 6,147.78 and 1,020.57

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Solution

The fourth proportional to 4,098.57, 6,147.78 and 1,020.57 is: 1,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.57 : 6,147.78 = 1,020.57 : x
  2. Step 2: Convert to fraction form
    4,098.57/6,147.78 = 1,020.57/x
  3. Step 3: Cross multiply
    4,098.57x = 6,147.78 × 1,020.57
  4. Step 4: Simplify right side
    4,098.57x = 6,274,239.83
  5. Step 5: Solve for x
    x = 6,274,239.83/4,098.57
  6. Step 6: Final answer
    x = 1,530.84

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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.