Home / 1,448.14-2,172.30-582.34

Finding the Fourth Proportional to 1,448.14, 2,172.30 and 582.34

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Solution

The fourth proportional to 1,448.14, 2,172.30 and 582.34 is: 873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.14 : 2,172.30 = 582.34 : x
  2. Step 2: Convert to fraction form
    1,448.14/2,172.30 = 582.34/x
  3. Step 3: Cross multiply
    1,448.14x = 2,172.30 × 582.34
  4. Step 4: Simplify right side
    1,448.14x = 1,265,017.18
  5. Step 5: Solve for x
    x = 1,265,017.18/1,448.14
  6. Step 6: Final answer
    x = 873.55

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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.