Home / 4,291.21-5,921.80-2,402.92

Finding the Fourth Proportional to 4,291.21, 5,921.80 and 2,402.92

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Solution

The fourth proportional to 4,291.21, 5,921.80 and 2,402.92 is: 3,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.21 : 5,921.80 = 2,402.92 : x
  2. Step 2: Convert to fraction form
    4,291.21/5,921.80 = 2,402.92/x
  3. Step 3: Cross multiply
    4,291.21x = 5,921.80 × 2,402.92
  4. Step 4: Simplify right side
    4,291.21x = 14,229,611.66
  5. Step 5: Solve for x
    x = 14,229,611.66/4,291.21
  6. Step 6: Final answer
    x = 3,315.99

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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.