Home / 4,190.91-5,784.21-2,864.13

Finding the Fourth Proportional to 4,190.91, 5,784.21 and 2,864.13

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Solution

The fourth proportional to 4,190.91, 5,784.21 and 2,864.13 is: 3,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.91 : 5,784.21 = 2,864.13 : x
  2. Step 2: Convert to fraction form
    4,190.91/5,784.21 = 2,864.13/x
  3. Step 3: Cross multiply
    4,190.91x = 5,784.21 × 2,864.13
  4. Step 4: Simplify right side
    4,190.91x = 16,566,729.39
  5. Step 5: Solve for x
    x = 16,566,729.39/4,190.91
  6. Step 6: Final answer
    x = 3,953.01

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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.