Home / 5,628.49-7,768.28-3,272.00

Finding the Fourth Proportional to 5,628.49, 7,768.28 and 3,272.00

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Solution

The fourth proportional to 5,628.49, 7,768.28 and 3,272.00 is: 4,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.49 : 7,768.28 = 3,272.00 : x
  2. Step 2: Convert to fraction form
    5,628.49/7,768.28 = 3,272.00/x
  3. Step 3: Cross multiply
    5,628.49x = 7,768.28 × 3,272.00
  4. Step 4: Simplify right side
    5,628.49x = 25,417,810.63
  5. Step 5: Solve for x
    x = 25,417,810.63/5,628.49
  6. Step 6: Final answer
    x = 4,515.92

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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.