Home / 5,475.02-8,208.78-1,964.95

Finding the Fourth Proportional to 5,475.02, 8,208.78 and 1,964.95

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Solution

The fourth proportional to 5,475.02, 8,208.78 and 1,964.95 is: 2,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.02 : 8,208.78 = 1,964.95 : x
  2. Step 2: Convert to fraction form
    5,475.02/8,208.78 = 1,964.95/x
  3. Step 3: Cross multiply
    5,475.02x = 8,208.78 × 1,964.95
  4. Step 4: Simplify right side
    5,475.02x = 16,129,811.12
  5. Step 5: Solve for x
    x = 16,129,811.12/5,475.02
  6. Step 6: Final answer
    x = 2,946.07

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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.