Home / 3,502.08-4,828.92-3,421.44

Finding the Fourth Proportional to 3,502.08, 4,828.92 and 3,421.44

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Solution

The fourth proportional to 3,502.08, 4,828.92 and 3,421.44 is: 4,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.08 : 4,828.92 = 3,421.44 : x
  2. Step 2: Convert to fraction form
    3,502.08/4,828.92 = 3,421.44/x
  3. Step 3: Cross multiply
    3,502.08x = 4,828.92 × 3,421.44
  4. Step 4: Simplify right side
    3,502.08x = 16,521,860.04
  5. Step 5: Solve for x
    x = 16,521,860.04/3,502.08
  6. Step 6: Final answer
    x = 4,717.73

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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.