Home / 3,419.07-4,718.25-1,926.96

Finding the Fourth Proportional to 3,419.07, 4,718.25 and 1,926.96

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Solution

The fourth proportional to 3,419.07, 4,718.25 and 1,926.96 is: 2,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.07 : 4,718.25 = 1,926.96 : x
  2. Step 2: Convert to fraction form
    3,419.07/4,718.25 = 1,926.96/x
  3. Step 3: Cross multiply
    3,419.07x = 4,718.25 × 1,926.96
  4. Step 4: Simplify right side
    3,419.07x = 9,091,861.33
  5. Step 5: Solve for x
    x = 9,091,861.33/3,419.07
  6. Step 6: Final answer
    x = 2,659.16

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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.