Home / 7,039.46-10,552.39-2,653.86

Finding the Fourth Proportional to 7,039.46, 10,552.39 and 2,653.86

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Solution

The fourth proportional to 7,039.46, 10,552.39 and 2,653.86 is: 3,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.46 : 10,552.39 = 2,653.86 : x
  2. Step 2: Convert to fraction form
    7,039.46/10,552.39 = 2,653.86/x
  3. Step 3: Cross multiply
    7,039.46x = 10,552.39 × 2,653.86
  4. Step 4: Simplify right side
    7,039.46x = 28,004,565.73
  5. Step 5: Solve for x
    x = 28,004,565.73/7,039.46
  6. Step 6: Final answer
    x = 3,978.23

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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.