Home / 3,925.01-5,415.20-2,332.14

Finding the Fourth Proportional to 3,925.01, 5,415.20 and 2,332.14

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Solution

The fourth proportional to 3,925.01, 5,415.20 and 2,332.14 is: 3,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.01 : 5,415.20 = 2,332.14 : x
  2. Step 2: Convert to fraction form
    3,925.01/5,415.20 = 2,332.14/x
  3. Step 3: Cross multiply
    3,925.01x = 5,415.20 × 2,332.14
  4. Step 4: Simplify right side
    3,925.01x = 12,628,992.87
  5. Step 5: Solve for x
    x = 12,628,992.87/3,925.01
  6. Step 6: Final answer
    x = 3,217.57

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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.