Home / 4,305.30-6,452.55-2,109.30

Finding the Fourth Proportional to 4,305.30, 6,452.55 and 2,109.30

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Solution

The fourth proportional to 4,305.30, 6,452.55 and 2,109.30 is: 3,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.30 : 6,452.55 = 2,109.30 : x
  2. Step 2: Convert to fraction form
    4,305.30/6,452.55 = 2,109.30/x
  3. Step 3: Cross multiply
    4,305.30x = 6,452.55 × 2,109.30
  4. Step 4: Simplify right side
    4,305.30x = 13,610,363.72
  5. Step 5: Solve for x
    x = 13,610,363.72/4,305.30
  6. Step 6: Final answer
    x = 3,161.30

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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.