Home / 4,818.28-7,224.86-2,219

Finding the Fourth Proportional to 4,818.28, 7,224.86 and 2,219

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Solution

The fourth proportional to 4,818.28, 7,224.86 and 2,219 is: 3,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.28 : 7,224.86 = 2,219 : x
  2. Step 2: Convert to fraction form
    4,818.28/7,224.86 = 2,219/x
  3. Step 3: Cross multiply
    4,818.28x = 7,224.86 × 2,219
  4. Step 4: Simplify right side
    4,818.28x = 16,031,964.34
  5. Step 5: Solve for x
    x = 16,031,964.34/4,818.28
  6. Step 6: Final answer
    x = 3,327.32

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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.