Home / 3,864.74-5,333.60-2,186.16

Finding the Fourth Proportional to 3,864.74, 5,333.60 and 2,186.16

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Solution

The fourth proportional to 3,864.74, 5,333.60 and 2,186.16 is: 3,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.74 : 5,333.60 = 2,186.16 : x
  2. Step 2: Convert to fraction form
    3,864.74/5,333.60 = 2,186.16/x
  3. Step 3: Cross multiply
    3,864.74x = 5,333.60 × 2,186.16
  4. Step 4: Simplify right side
    3,864.74x = 11,660,088.44
  5. Step 5: Solve for x
    x = 11,660,088.44/3,864.74
  6. Step 6: Final answer
    x = 3,017.05

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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.