Home / 2,912.40-4,365.36-2,334.06

Finding the Fourth Proportional to 2,912.40, 4,365.36 and 2,334.06

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Solution

The fourth proportional to 2,912.40, 4,365.36 and 2,334.06 is: 3,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.40 : 4,365.36 = 2,334.06 : x
  2. Step 2: Convert to fraction form
    2,912.40/4,365.36 = 2,334.06/x
  3. Step 3: Cross multiply
    2,912.40x = 4,365.36 × 2,334.06
  4. Step 4: Simplify right side
    2,912.40x = 10,189,012.16
  5. Step 5: Solve for x
    x = 10,189,012.16/2,912.40
  6. Step 6: Final answer
    x = 3,498.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.