Home / 27,820.79-41,730.62-6,760.95

Finding the Fourth Proportional to 27,820.79, 41,730.62 and 6,760.95

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Solution

The fourth proportional to 27,820.79, 41,730.62 and 6,760.95 is: 10,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.79 : 41,730.62 = 6,760.95 : x
  2. Step 2: Convert to fraction form
    27,820.79/41,730.62 = 6,760.95/x
  3. Step 3: Cross multiply
    27,820.79x = 41,730.62 × 6,760.95
  4. Step 4: Simplify right side
    27,820.79x = 282,138,444.99
  5. Step 5: Solve for x
    x = 282,138,444.99/27,820.79
  6. Step 6: Final answer
    x = 10,141.28

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1.5x scale

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.