Home / 5,307.12-7,323.64-2,949.24

Finding the Fourth Proportional to 5,307.12, 7,323.64 and 2,949.24

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Solution

The fourth proportional to 5,307.12, 7,323.64 and 2,949.24 is: 4,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.12 : 7,323.64 = 2,949.24 : x
  2. Step 2: Convert to fraction form
    5,307.12/7,323.64 = 2,949.24/x
  3. Step 3: Cross multiply
    5,307.12x = 7,323.64 × 2,949.24
  4. Step 4: Simplify right side
    5,307.12x = 21,599,172.03
  5. Step 5: Solve for x
    x = 21,599,172.03/5,307.12
  6. Step 6: Final answer
    x = 4,069.85

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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.