Home / 4,933.28-6,804.36-3,139.00

Finding the Fourth Proportional to 4,933.28, 6,804.36 and 3,139.00

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Solution

The fourth proportional to 4,933.28, 6,804.36 and 3,139.00 is: 4,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.28 : 6,804.36 = 3,139.00 : x
  2. Step 2: Convert to fraction form
    4,933.28/6,804.36 = 3,139.00/x
  3. Step 3: Cross multiply
    4,933.28x = 6,804.36 × 3,139.00
  4. Step 4: Simplify right side
    4,933.28x = 21,358,869.03
  5. Step 5: Solve for x
    x = 21,358,869.03/4,933.28
  6. Step 6: Final answer
    x = 4,329.55

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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.