Home / 7,848.18-11,771.91-2,654.10

Finding the Fourth Proportional to 7,848.18, 11,771.91 and 2,654.10

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Solution

The fourth proportional to 7,848.18, 11,771.91 and 2,654.10 is: 3,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.18 : 11,771.91 = 2,654.10 : x
  2. Step 2: Convert to fraction form
    7,848.18/11,771.91 = 2,654.10/x
  3. Step 3: Cross multiply
    7,848.18x = 11,771.91 × 2,654.10
  4. Step 4: Simplify right side
    7,848.18x = 31,243,826.33
  5. Step 5: Solve for x
    x = 31,243,826.33/7,848.18
  6. Step 6: Final answer
    x = 3,981.03

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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.