Home / 5,343.24-7,373.64-2,985.36

Finding the Fourth Proportional to 5,343.24, 7,373.64 and 2,985.36

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Solution

The fourth proportional to 5,343.24, 7,373.64 and 2,985.36 is: 4,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.24 : 7,373.64 = 2,985.36 : x
  2. Step 2: Convert to fraction form
    5,343.24/7,373.64 = 2,985.36/x
  3. Step 3: Cross multiply
    5,343.24x = 7,373.64 × 2,985.36
  4. Step 4: Simplify right side
    5,343.24x = 22,012,969.91
  5. Step 5: Solve for x
    x = 22,012,969.91/5,343.24
  6. Step 6: Final answer
    x = 4,119.78

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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.