Home / 3,926.10-5,416.22-2,412.29

Finding the Fourth Proportional to 3,926.10, 5,416.22 and 2,412.29

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Solution

The fourth proportional to 3,926.10, 5,416.22 and 2,412.29 is: 3,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.10 : 5,416.22 = 2,412.29 : x
  2. Step 2: Convert to fraction form
    3,926.10/5,416.22 = 2,412.29/x
  3. Step 3: Cross multiply
    3,926.10x = 5,416.22 × 2,412.29
  4. Step 4: Simplify right side
    3,926.10x = 13,065,484.11
  5. Step 5: Solve for x
    x = 13,065,484.11/3,926.10
  6. Step 6: Final answer
    x = 3,327.85

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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.