Home / 1,628.00-2,246.63-929.37

Finding the Fourth Proportional to 1,628.00, 2,246.63 and 929.37

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Solution

The fourth proportional to 1,628.00, 2,246.63 and 929.37 is: 1,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.00 : 2,246.63 = 929.37 : x
  2. Step 2: Convert to fraction form
    1,628.00/2,246.63 = 929.37/x
  3. Step 3: Cross multiply
    1,628.00x = 2,246.63 × 929.37
  4. Step 4: Simplify right side
    1,628.00x = 2,087,945.88
  5. Step 5: Solve for x
    x = 2,087,945.88/1,628.00
  6. Step 6: Final answer
    x = 1,282.53

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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.