Home / 4,218.52-5,821.44-2,330.02

Finding the Fourth Proportional to 4,218.52, 5,821.44 and 2,330.02

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Solution

The fourth proportional to 4,218.52, 5,821.44 and 2,330.02 is: 3,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.52 : 5,821.44 = 2,330.02 : x
  2. Step 2: Convert to fraction form
    4,218.52/5,821.44 = 2,330.02/x
  3. Step 3: Cross multiply
    4,218.52x = 5,821.44 × 2,330.02
  4. Step 4: Simplify right side
    4,218.52x = 13,564,071.63
  5. Step 5: Solve for x
    x = 13,564,071.63/4,218.52
  6. Step 6: Final answer
    x = 3,215.36

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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.