Home / 1,628.04-2,246.70-882.00

Finding the Fourth Proportional to 1,628.04, 2,246.70 and 882.00

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Solution

The fourth proportional to 1,628.04, 2,246.70 and 882.00 is: 1,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.04 : 2,246.70 = 882.00 : x
  2. Step 2: Convert to fraction form
    1,628.04/2,246.70 = 882.00/x
  3. Step 3: Cross multiply
    1,628.04x = 2,246.70 × 882.00
  4. Step 4: Simplify right side
    1,628.04x = 1,981,578.17
  5. Step 5: Solve for x
    x = 1,981,578.17/1,628.04
  6. Step 6: Final answer
    x = 1,217.16

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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.