Home / 4,221.41-5,806.29-3,459.71

Finding the Fourth Proportional to 4,221.41, 5,806.29 and 3,459.71

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Solution

The fourth proportional to 4,221.41, 5,806.29 and 3,459.71 is: 4,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.41 : 5,806.29 = 3,459.71 : x
  2. Step 2: Convert to fraction form
    4,221.41/5,806.29 = 3,459.71/x
  3. Step 3: Cross multiply
    4,221.41x = 5,806.29 × 3,459.71
  4. Step 4: Simplify right side
    4,221.41x = 20,088,094.09
  5. Step 5: Solve for x
    x = 20,088,094.09/4,221.41
  6. Step 6: Final answer
    x = 4,758.63

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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.