Home / 3,133.34-4,313.10-2,759.12

Finding the Fourth Proportional to 3,133.34, 4,313.10 and 2,759.12

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Solution

The fourth proportional to 3,133.34, 4,313.10 and 2,759.12 is: 3,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.34 : 4,313.10 = 2,759.12 : x
  2. Step 2: Convert to fraction form
    3,133.34/4,313.10 = 2,759.12/x
  3. Step 3: Cross multiply
    3,133.34x = 4,313.10 × 2,759.12
  4. Step 4: Simplify right side
    3,133.34x = 11,900,360.47
  5. Step 5: Solve for x
    x = 11,900,360.47/3,133.34
  6. Step 6: Final answer
    x = 3,797.98

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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.