Home / 2,655.12-3,984.24-2,370

Finding the Fourth Proportional to 2,655.12, 3,984.24 and 2,370

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Solution

The fourth proportional to 2,655.12, 3,984.24 and 2,370 is: 3,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.12 : 3,984.24 = 2,370 : x
  2. Step 2: Convert to fraction form
    2,655.12/3,984.24 = 2,370/x
  3. Step 3: Cross multiply
    2,655.12x = 3,984.24 × 2,370
  4. Step 4: Simplify right side
    2,655.12x = 9,442,648.80
  5. Step 5: Solve for x
    x = 9,442,648.80/2,655.12
  6. Step 6: Final answer
    x = 3,556.39

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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.