Home / 1,507.25-2,261.84-533.36

Finding the Fourth Proportional to 1,507.25, 2,261.84 and 533.36

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Solution

The fourth proportional to 1,507.25, 2,261.84 and 533.36 is: 800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.25 : 2,261.84 = 533.36 : x
  2. Step 2: Convert to fraction form
    1,507.25/2,261.84 = 533.36/x
  3. Step 3: Cross multiply
    1,507.25x = 2,261.84 × 533.36
  4. Step 4: Simplify right side
    1,507.25x = 1,206,361.01
  5. Step 5: Solve for x
    x = 1,206,361.01/1,507.25
  6. Step 6: Final answer
    x = 800.37

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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.