Home / 7,203.45-10,802.70-3,503.31

Finding the Fourth Proportional to 7,203.45, 10,802.70 and 3,503.31

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Solution

The fourth proportional to 7,203.45, 10,802.70 and 3,503.31 is: 5,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.45 : 10,802.70 = 3,503.31 : x
  2. Step 2: Convert to fraction form
    7,203.45/10,802.70 = 3,503.31/x
  3. Step 3: Cross multiply
    7,203.45x = 10,802.70 × 3,503.31
  4. Step 4: Simplify right side
    7,203.45x = 37,845,206.94
  5. Step 5: Solve for x
    x = 37,845,206.94/7,203.45
  6. Step 6: Final answer
    x = 5,253.76

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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.