Home / 7,819.28-10,790.61-4,282.46

Finding the Fourth Proportional to 7,819.28, 10,790.61 and 4,282.46

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Solution

The fourth proportional to 7,819.28, 10,790.61 and 4,282.46 is: 5,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.28 : 10,790.61 = 4,282.46 : x
  2. Step 2: Convert to fraction form
    7,819.28/10,790.61 = 4,282.46/x
  3. Step 3: Cross multiply
    7,819.28x = 10,790.61 × 4,282.46
  4. Step 4: Simplify right side
    7,819.28x = 46,210,355.70
  5. Step 5: Solve for x
    x = 46,210,355.70/7,819.28
  6. Step 6: Final answer
    x = 5,909.80

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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.