Home / 3,864.15-5,332.50-2,292.21

Finding the Fourth Proportional to 3,864.15, 5,332.50 and 2,292.21

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Solution

The fourth proportional to 3,864.15, 5,332.50 and 2,292.21 is: 3,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.15 : 5,332.50 = 2,292.21 : x
  2. Step 2: Convert to fraction form
    3,864.15/5,332.50 = 2,292.21/x
  3. Step 3: Cross multiply
    3,864.15x = 5,332.50 × 2,292.21
  4. Step 4: Simplify right side
    3,864.15x = 12,223,209.83
  5. Step 5: Solve for x
    x = 12,223,209.83/3,864.15
  6. Step 6: Final answer
    x = 3,163.23

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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.