Home / 7,919.91-10,928.39-4,562.46

Finding the Fourth Proportional to 7,919.91, 10,928.39 and 4,562.46

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Solution

The fourth proportional to 7,919.91, 10,928.39 and 4,562.46 is: 6,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.91 : 10,928.39 = 4,562.46 : x
  2. Step 2: Convert to fraction form
    7,919.91/10,928.39 = 4,562.46/x
  3. Step 3: Cross multiply
    7,919.91x = 10,928.39 × 4,562.46
  4. Step 4: Simplify right side
    7,919.91x = 49,860,319.43
  5. Step 5: Solve for x
    x = 49,860,319.43/7,919.91
  6. Step 6: Final answer
    x = 6,295.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.