Home / 2,252.08-3,107.72-1,412.76

Finding the Fourth Proportional to 2,252.08, 3,107.72 and 1,412.76

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Solution

The fourth proportional to 2,252.08, 3,107.72 and 1,412.76 is: 1,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.08 : 3,107.72 = 1,412.76 : x
  2. Step 2: Convert to fraction form
    2,252.08/3,107.72 = 1,412.76/x
  3. Step 3: Cross multiply
    2,252.08x = 3,107.72 × 1,412.76
  4. Step 4: Simplify right side
    2,252.08x = 4,390,462.51
  5. Step 5: Solve for x
    x = 4,390,462.51/2,252.08
  6. Step 6: Final answer
    x = 1,949.51

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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.