Home / 5,476.48-8,216.16-1,966.84

Finding the Fourth Proportional to 5,476.48, 8,216.16 and 1,966.84

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Solution

The fourth proportional to 5,476.48, 8,216.16 and 1,966.84 is: 2,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.48 : 8,216.16 = 1,966.84 : x
  2. Step 2: Convert to fraction form
    5,476.48/8,216.16 = 1,966.84/x
  3. Step 3: Cross multiply
    5,476.48x = 8,216.16 × 1,966.84
  4. Step 4: Simplify right side
    5,476.48x = 16,159,872.13
  5. Step 5: Solve for x
    x = 16,159,872.13/5,476.48
  6. Step 6: Final answer
    x = 2,950.78

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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.