Home / 5,507.58-8,258.52-2,219.78

Finding the Fourth Proportional to 5,507.58, 8,258.52 and 2,219.78

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Solution

The fourth proportional to 5,507.58, 8,258.52 and 2,219.78 is: 3,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.58 : 8,258.52 = 2,219.78 : x
  2. Step 2: Convert to fraction form
    5,507.58/8,258.52 = 2,219.78/x
  3. Step 3: Cross multiply
    5,507.58x = 8,258.52 × 2,219.78
  4. Step 4: Simplify right side
    5,507.58x = 18,332,097.53
  5. Step 5: Solve for x
    x = 18,332,097.53/5,507.58
  6. Step 6: Final answer
    x = 3,328.52

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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.