Home / 5,482.28-8,221.55-1,783.59

Finding the Fourth Proportional to 5,482.28, 8,221.55 and 1,783.59

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Solution

The fourth proportional to 5,482.28, 8,221.55 and 1,783.59 is: 2,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.28 : 8,221.55 = 1,783.59 : x
  2. Step 2: Convert to fraction form
    5,482.28/8,221.55 = 1,783.59/x
  3. Step 3: Cross multiply
    5,482.28x = 8,221.55 × 1,783.59
  4. Step 4: Simplify right side
    5,482.28x = 14,663,874.36
  5. Step 5: Solve for x
    x = 14,663,874.36/5,482.28
  6. Step 6: Final answer
    x = 2,674.78

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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.