Home / 7,359.90-11,035.80-2,972.40

Finding the Fourth Proportional to 7,359.90, 11,035.80 and 2,972.40

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Solution

The fourth proportional to 7,359.90, 11,035.80 and 2,972.40 is: 4,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.90 : 11,035.80 = 2,972.40 : x
  2. Step 2: Convert to fraction form
    7,359.90/11,035.80 = 2,972.40/x
  3. Step 3: Cross multiply
    7,359.90x = 11,035.80 × 2,972.40
  4. Step 4: Simplify right side
    7,359.90x = 32,802,811.92
  5. Step 5: Solve for x
    x = 32,802,811.92/7,359.90
  6. Step 6: Final answer
    x = 4,456.96

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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.