Home / 2,402.23-3,315.44-1,738.84

Finding the Fourth Proportional to 2,402.23, 3,315.44 and 1,738.84

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Solution

The fourth proportional to 2,402.23, 3,315.44 and 1,738.84 is: 2,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.23 : 3,315.44 = 1,738.84 : x
  2. Step 2: Convert to fraction form
    2,402.23/3,315.44 = 1,738.84/x
  3. Step 3: Cross multiply
    2,402.23x = 3,315.44 × 1,738.84
  4. Step 4: Simplify right side
    2,402.23x = 5,764,994.42
  5. Step 5: Solve for x
    x = 5,764,994.42/2,402.23
  6. Step 6: Final answer
    x = 2,399.86

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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.