Home / 4,725.53-7,089.81-1,439.26

Finding the Fourth Proportional to 4,725.53, 7,089.81 and 1,439.26

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Solution

The fourth proportional to 4,725.53, 7,089.81 and 1,439.26 is: 2,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.53 : 7,089.81 = 1,439.26 : x
  2. Step 2: Convert to fraction form
    4,725.53/7,089.81 = 1,439.26/x
  3. Step 3: Cross multiply
    4,725.53x = 7,089.81 × 1,439.26
  4. Step 4: Simplify right side
    4,725.53x = 10,204,079.94
  5. Step 5: Solve for x
    x = 10,204,079.94/4,725.53
  6. Step 6: Final answer
    x = 2,159.35

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