Home / 7,044.57-10,557.81-2,656.80

Finding the Fourth Proportional to 7,044.57, 10,557.81 and 2,656.80

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Solution

The fourth proportional to 7,044.57, 10,557.81 and 2,656.80 is: 3,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.57 : 10,557.81 = 2,656.80 : x
  2. Step 2: Convert to fraction form
    7,044.57/10,557.81 = 2,656.80/x
  3. Step 3: Cross multiply
    7,044.57x = 10,557.81 × 2,656.80
  4. Step 4: Simplify right side
    7,044.57x = 28,049,989.61
  5. Step 5: Solve for x
    x = 28,049,989.61/7,044.57
  6. Step 6: Final answer
    x = 3,981.79

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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.