Home / 3,983.18-5,496.81-2,214.95

Finding the Fourth Proportional to 3,983.18, 5,496.81 and 2,214.95

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Solution

The fourth proportional to 3,983.18, 5,496.81 and 2,214.95 is: 3,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.18 : 5,496.81 = 2,214.95 : x
  2. Step 2: Convert to fraction form
    3,983.18/5,496.81 = 2,214.95/x
  3. Step 3: Cross multiply
    3,983.18x = 5,496.81 × 2,214.95
  4. Step 4: Simplify right side
    3,983.18x = 12,175,159.31
  5. Step 5: Solve for x
    x = 12,175,159.31/3,983.18
  6. Step 6: Final answer
    x = 3,056.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.