Home / 7,919.52-10,928.58-4,562.46

Finding the Fourth Proportional to 7,919.52, 10,928.58 and 4,562.46

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Solution

The fourth proportional to 7,919.52, 10,928.58 and 4,562.46 is: 6,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.52 : 10,928.58 = 4,562.46 : x
  2. Step 2: Convert to fraction form
    7,919.52/10,928.58 = 4,562.46/x
  3. Step 3: Cross multiply
    7,919.52x = 10,928.58 × 4,562.46
  4. Step 4: Simplify right side
    7,919.52x = 49,861,209.11
  5. Step 5: Solve for x
    x = 49,861,209.11/7,919.52
  6. Step 6: Final answer
    x = 6,295.99

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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.