Home / 7,282.17-10,920.15-2,603.37

Finding the Fourth Proportional to 7,282.17, 10,920.15 and 2,603.37

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Solution

The fourth proportional to 7,282.17, 10,920.15 and 2,603.37 is: 3,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.17 : 10,920.15 = 2,603.37 : x
  2. Step 2: Convert to fraction form
    7,282.17/10,920.15 = 2,603.37/x
  3. Step 3: Cross multiply
    7,282.17x = 10,920.15 × 2,603.37
  4. Step 4: Simplify right side
    7,282.17x = 28,429,231.86
  5. Step 5: Solve for x
    x = 28,429,231.86/7,282.17
  6. Step 6: Final answer
    x = 3,903.95

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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.