Home / 4,862.20-6,705.43-3,183.07

Finding the Fourth Proportional to 4,862.20, 6,705.43 and 3,183.07

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Solution

The fourth proportional to 4,862.20, 6,705.43 and 3,183.07 is: 4,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.20 : 6,705.43 = 3,183.07 : x
  2. Step 2: Convert to fraction form
    4,862.20/6,705.43 = 3,183.07/x
  3. Step 3: Cross multiply
    4,862.20x = 6,705.43 × 3,183.07
  4. Step 4: Simplify right side
    4,862.20x = 21,343,853.07
  5. Step 5: Solve for x
    x = 21,343,853.07/4,862.20
  6. Step 6: Final answer
    x = 4,389.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.