Home / 5,307.28-7,323.16-2,949.36

Finding the Fourth Proportional to 5,307.28, 7,323.16 and 2,949.36

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Solution

The fourth proportional to 5,307.28, 7,323.16 and 2,949.36 is: 4,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.28 : 7,323.16 = 2,949.36 : x
  2. Step 2: Convert to fraction form
    5,307.28/7,323.16 = 2,949.36/x
  3. Step 3: Cross multiply
    5,307.28x = 7,323.16 × 2,949.36
  4. Step 4: Simplify right side
    5,307.28x = 21,598,635.18
  5. Step 5: Solve for x
    x = 21,598,635.18/5,307.28
  6. Step 6: Final answer
    x = 4,069.62

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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.