Home / 6,639.71-9,964.40-3,353.04

Finding the Fourth Proportional to 6,639.71, 9,964.40 and 3,353.04

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Solution

The fourth proportional to 6,639.71, 9,964.40 and 3,353.04 is: 5,032.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.71 : 9,964.40 = 3,353.04 : x
  2. Step 2: Convert to fraction form
    6,639.71/9,964.40 = 3,353.04/x
  3. Step 3: Cross multiply
    6,639.71x = 9,964.40 × 3,353.04
  4. Step 4: Simplify right side
    6,639.71x = 33,411,015.01
  5. Step 5: Solve for x
    x = 33,411,015.01/6,639.71
  6. Step 6: Final answer
    x = 5,032.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.