Home / 3,925.79-5,417.57-2,247.19

Finding the Fourth Proportional to 3,925.79, 5,417.57 and 2,247.19

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Solution

The fourth proportional to 3,925.79, 5,417.57 and 2,247.19 is: 3,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.79 : 5,417.57 = 2,247.19 : x
  2. Step 2: Convert to fraction form
    3,925.79/5,417.57 = 2,247.19/x
  3. Step 3: Cross multiply
    3,925.79x = 5,417.57 × 2,247.19
  4. Step 4: Simplify right side
    3,925.79x = 12,174,301.20
  5. Step 5: Solve for x
    x = 12,174,301.20/3,925.79
  6. Step 6: Final answer
    x = 3,101.11

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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.