Home / 2,553.23-3,822.40-1,898.01

Finding the Fourth Proportional to 2,553.23, 3,822.40 and 1,898.01

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Solution

The fourth proportional to 2,553.23, 3,822.40 and 1,898.01 is: 2,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.23 : 3,822.40 = 1,898.01 : x
  2. Step 2: Convert to fraction form
    2,553.23/3,822.40 = 1,898.01/x
  3. Step 3: Cross multiply
    2,553.23x = 3,822.40 × 1,898.01
  4. Step 4: Simplify right side
    2,553.23x = 7,254,953.42
  5. Step 5: Solve for x
    x = 7,254,953.42/2,553.23
  6. Step 6: Final answer
    x = 2,841.48

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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.