Home / 2,622.48-3,619-1,488.37

Finding the Fourth Proportional to 2,622.48, 3,619 and 1,488.37

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Solution

The fourth proportional to 2,622.48, 3,619 and 1,488.37 is: 2,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.48 : 3,619 = 1,488.37 : x
  2. Step 2: Convert to fraction form
    2,622.48/3,619 = 1,488.37/x
  3. Step 3: Cross multiply
    2,622.48x = 3,619 × 1,488.37
  4. Step 4: Simplify right side
    2,622.48x = 5,386,392.94
  5. Step 5: Solve for x
    x = 5,386,392.94/2,622.48
  6. Step 6: Final answer
    x = 2,053.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.