Home / 7,902.29-11,854.04-2,355.21

Finding the Fourth Proportional to 7,902.29, 11,854.04 and 2,355.21

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Solution

The fourth proportional to 7,902.29, 11,854.04 and 2,355.21 is: 3,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.29 : 11,854.04 = 2,355.21 : x
  2. Step 2: Convert to fraction form
    7,902.29/11,854.04 = 2,355.21/x
  3. Step 3: Cross multiply
    7,902.29x = 11,854.04 × 2,355.21
  4. Step 4: Simplify right side
    7,902.29x = 27,918,753.55
  5. Step 5: Solve for x
    x = 27,918,753.55/7,902.29
  6. Step 6: Final answer
    x = 3,533.00

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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.