Home / 3,983.16-5,496.72-2,214.86

Finding the Fourth Proportional to 3,983.16, 5,496.72 and 2,214.86

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Solution

The fourth proportional to 3,983.16, 5,496.72 and 2,214.86 is: 3,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.16 : 5,496.72 = 2,214.86 : x
  2. Step 2: Convert to fraction form
    3,983.16/5,496.72 = 2,214.86/x
  3. Step 3: Cross multiply
    3,983.16x = 5,496.72 × 2,214.86
  4. Step 4: Simplify right side
    3,983.16x = 12,174,465.26
  5. Step 5: Solve for x
    x = 12,174,465.26/3,983.16
  6. Step 6: Final answer
    x = 3,056.48

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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.