Home / 1,912.43-2,868.27-525.41

Finding the Fourth Proportional to 1,912.43, 2,868.27 and 525.41

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Solution

The fourth proportional to 1,912.43, 2,868.27 and 525.41 is: 788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.43 : 2,868.27 = 525.41 : x
  2. Step 2: Convert to fraction form
    1,912.43/2,868.27 = 525.41/x
  3. Step 3: Cross multiply
    1,912.43x = 2,868.27 × 525.41
  4. Step 4: Simplify right side
    1,912.43x = 1,507,009.26
  5. Step 5: Solve for x
    x = 1,507,009.26/1,912.43
  6. Step 6: Final answer
    x = 788.01

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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.