Home / 5,307.60-7,324.70-2,949.74

Finding the Fourth Proportional to 5,307.60, 7,324.70 and 2,949.74

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Solution

The fourth proportional to 5,307.60, 7,324.70 and 2,949.74 is: 4,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.60 : 7,324.70 = 2,949.74 : x
  2. Step 2: Convert to fraction form
    5,307.60/7,324.70 = 2,949.74/x
  3. Step 3: Cross multiply
    5,307.60x = 7,324.70 × 2,949.74
  4. Step 4: Simplify right side
    5,307.60x = 21,605,960.58
  5. Step 5: Solve for x
    x = 21,605,960.58/5,307.60
  6. Step 6: Final answer
    x = 4,070.76

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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.