Home / 3,925.21-5,417.08-2,247.14

Finding the Fourth Proportional to 3,925.21, 5,417.08 and 2,247.14

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Solution

The fourth proportional to 3,925.21, 5,417.08 and 2,247.14 is: 3,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.21 : 5,417.08 = 2,247.14 : x
  2. Step 2: Convert to fraction form
    3,925.21/5,417.08 = 2,247.14/x
  3. Step 3: Cross multiply
    3,925.21x = 5,417.08 × 2,247.14
  4. Step 4: Simplify right side
    3,925.21x = 12,172,945.08
  5. Step 5: Solve for x
    x = 12,172,945.08/3,925.21
  6. Step 6: Final answer
    x = 3,101.22

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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.