Home / 5,447.84-8,171.28-3,368.16

Finding the Fourth Proportional to 5,447.84, 8,171.28 and 3,368.16

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Solution

The fourth proportional to 5,447.84, 8,171.28 and 3,368.16 is: 5,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.84 : 8,171.28 = 3,368.16 : x
  2. Step 2: Convert to fraction form
    5,447.84/8,171.28 = 3,368.16/x
  3. Step 3: Cross multiply
    5,447.84x = 8,171.28 × 3,368.16
  4. Step 4: Simplify right side
    5,447.84x = 27,522,178.44
  5. Step 5: Solve for x
    x = 27,522,178.44/5,447.84
  6. Step 6: Final answer
    x = 5,051.95

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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.