Home / 4,869.29-6,722.70-3,748.12

Finding the Fourth Proportional to 4,869.29, 6,722.70 and 3,748.12

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Solution

The fourth proportional to 4,869.29, 6,722.70 and 3,748.12 is: 5,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.29 : 6,722.70 = 3,748.12 : x
  2. Step 2: Convert to fraction form
    4,869.29/6,722.70 = 3,748.12/x
  3. Step 3: Cross multiply
    4,869.29x = 6,722.70 × 3,748.12
  4. Step 4: Simplify right side
    4,869.29x = 25,197,486.32
  5. Step 5: Solve for x
    x = 25,197,486.32/4,869.29
  6. Step 6: Final answer
    x = 5,174.78

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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.