Home / 3,789.99-5,230.53-2,298.29

Finding the Fourth Proportional to 3,789.99, 5,230.53 and 2,298.29

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Solution

The fourth proportional to 3,789.99, 5,230.53 and 2,298.29 is: 3,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.99 : 5,230.53 = 2,298.29 : x
  2. Step 2: Convert to fraction form
    3,789.99/5,230.53 = 2,298.29/x
  3. Step 3: Cross multiply
    3,789.99x = 5,230.53 × 2,298.29
  4. Step 4: Simplify right side
    3,789.99x = 12,021,248.64
  5. Step 5: Solve for x
    x = 12,021,248.64/3,789.99
  6. Step 6: Final answer
    x = 3,171.84

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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.