Home / 7,712.10-11,569.95-2,518.02

Finding the Fourth Proportional to 7,712.10, 11,569.95 and 2,518.02

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Solution

The fourth proportional to 7,712.10, 11,569.95 and 2,518.02 is: 3,777.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.10 : 11,569.95 = 2,518.02 : x
  2. Step 2: Convert to fraction form
    7,712.10/11,569.95 = 2,518.02/x
  3. Step 3: Cross multiply
    7,712.10x = 11,569.95 × 2,518.02
  4. Step 4: Simplify right side
    7,712.10x = 29,133,365.50
  5. Step 5: Solve for x
    x = 29,133,365.50/7,712.10
  6. Step 6: Final answer
    x = 3,777.62

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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.