Home / 7,329.49-10,972.36-5,137.02

Finding the Fourth Proportional to 7,329.49, 10,972.36 and 5,137.02

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Solution

The fourth proportional to 7,329.49, 10,972.36 and 5,137.02 is: 7,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.49 : 10,972.36 = 5,137.02 : x
  2. Step 2: Convert to fraction form
    7,329.49/10,972.36 = 5,137.02/x
  3. Step 3: Cross multiply
    7,329.49x = 10,972.36 × 5,137.02
  4. Step 4: Simplify right side
    7,329.49x = 56,365,239.19
  5. Step 5: Solve for x
    x = 56,365,239.19/7,329.49
  6. Step 6: Final answer
    x = 7,690.20

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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.