Home / 7,025.91-10,530.77-2,640.57

Finding the Fourth Proportional to 7,025.91, 10,530.77 and 2,640.57

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Solution

The fourth proportional to 7,025.91, 10,530.77 and 2,640.57 is: 3,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.91 : 10,530.77 = 2,640.57 : x
  2. Step 2: Convert to fraction form
    7,025.91/10,530.77 = 2,640.57/x
  3. Step 3: Cross multiply
    7,025.91x = 10,530.77 × 2,640.57
  4. Step 4: Simplify right side
    7,025.91x = 27,807,222.14
  5. Step 5: Solve for x
    x = 27,807,222.14/7,025.91
  6. Step 6: Final answer
    x = 3,957.81

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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.