Home / 3,848.01-5,308.74-2,168.98

Finding the Fourth Proportional to 3,848.01, 5,308.74 and 2,168.98

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Solution

The fourth proportional to 3,848.01, 5,308.74 and 2,168.98 is: 2,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.01 : 5,308.74 = 2,168.98 : x
  2. Step 2: Convert to fraction form
    3,848.01/5,308.74 = 2,168.98/x
  3. Step 3: Cross multiply
    3,848.01x = 5,308.74 × 2,168.98
  4. Step 4: Simplify right side
    3,848.01x = 11,514,537.61
  5. Step 5: Solve for x
    x = 11,514,537.61/3,848.01
  6. Step 6: Final answer
    x = 2,992.34

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1.5x scale

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.