Home / 2,262.66-3,122.64-1,424.08

Finding the Fourth Proportional to 2,262.66, 3,122.64 and 1,424.08

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Solution

The fourth proportional to 2,262.66, 3,122.64 and 1,424.08 is: 1,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.66 : 3,122.64 = 1,424.08 : x
  2. Step 2: Convert to fraction form
    2,262.66/3,122.64 = 1,424.08/x
  3. Step 3: Cross multiply
    2,262.66x = 3,122.64 × 1,424.08
  4. Step 4: Simplify right side
    2,262.66x = 4,446,889.17
  5. Step 5: Solve for x
    x = 4,446,889.17/2,262.66
  6. Step 6: Final answer
    x = 1,965.34

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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.