Home / 4,872.25-7,308.42-1,409.53

Finding the Fourth Proportional to 4,872.25, 7,308.42 and 1,409.53

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Solution

The fourth proportional to 4,872.25, 7,308.42 and 1,409.53 is: 2,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.25 : 7,308.42 = 1,409.53 : x
  2. Step 2: Convert to fraction form
    4,872.25/7,308.42 = 1,409.53/x
  3. Step 3: Cross multiply
    4,872.25x = 7,308.42 × 1,409.53
  4. Step 4: Simplify right side
    4,872.25x = 10,301,437.24
  5. Step 5: Solve for x
    x = 10,301,437.24/4,872.25
  6. Step 6: Final answer
    x = 2,114.31

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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.