Home / 3,004.18-4,506.37-812.92

Finding the Fourth Proportional to 3,004.18, 4,506.37 and 812.92

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Solution

The fourth proportional to 3,004.18, 4,506.37 and 812.92 is: 1,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.18 : 4,506.37 = 812.92 : x
  2. Step 2: Convert to fraction form
    3,004.18/4,506.37 = 812.92/x
  3. Step 3: Cross multiply
    3,004.18x = 4,506.37 × 812.92
  4. Step 4: Simplify right side
    3,004.18x = 3,663,318.30
  5. Step 5: Solve for x
    x = 3,663,318.30/3,004.18
  6. Step 6: Final answer
    x = 1,219.41

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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.