Home / 6,219.55-8,582.78-3,386.84

Finding the Fourth Proportional to 6,219.55, 8,582.78 and 3,386.84

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Solution

The fourth proportional to 6,219.55, 8,582.78 and 3,386.84 is: 4,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.55 : 8,582.78 = 3,386.84 : x
  2. Step 2: Convert to fraction form
    6,219.55/8,582.78 = 3,386.84/x
  3. Step 3: Cross multiply
    6,219.55x = 8,582.78 × 3,386.84
  4. Step 4: Simplify right side
    6,219.55x = 29,068,485.68
  5. Step 5: Solve for x
    x = 29,068,485.68/6,219.55
  6. Step 6: Final answer
    x = 4,673.73

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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.