Home / 3,412.53-4,705.22-2,291.08

Finding the Fourth Proportional to 3,412.53, 4,705.22 and 2,291.08

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Solution

The fourth proportional to 3,412.53, 4,705.22 and 2,291.08 is: 3,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.53 : 4,705.22 = 2,291.08 : x
  2. Step 2: Convert to fraction form
    3,412.53/4,705.22 = 2,291.08/x
  3. Step 3: Cross multiply
    3,412.53x = 4,705.22 × 2,291.08
  4. Step 4: Simplify right side
    3,412.53x = 10,780,035.44
  5. Step 5: Solve for x
    x = 10,780,035.44/3,412.53
  6. Step 6: Final answer
    x = 3,158.96

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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.