Home / 7,221.02-10,808.84-4,591.49

Finding the Fourth Proportional to 7,221.02, 10,808.84 and 4,591.49

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Solution

The fourth proportional to 7,221.02, 10,808.84 and 4,591.49 is: 6,872.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.02 : 10,808.84 = 4,591.49 : x
  2. Step 2: Convert to fraction form
    7,221.02/10,808.84 = 4,591.49/x
  3. Step 3: Cross multiply
    7,221.02x = 10,808.84 × 4,591.49
  4. Step 4: Simplify right side
    7,221.02x = 49,628,680.77
  5. Step 5: Solve for x
    x = 49,628,680.77/7,221.02
  6. Step 6: Final answer
    x = 6,872.81

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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.