Home / 2,307.20-3,456.32-1,785.44

Finding the Fourth Proportional to 2,307.20, 3,456.32 and 1,785.44

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Solution

The fourth proportional to 2,307.20, 3,456.32 and 1,785.44 is: 2,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.20 : 3,456.32 = 1,785.44 : x
  2. Step 2: Convert to fraction form
    2,307.20/3,456.32 = 1,785.44/x
  3. Step 3: Cross multiply
    2,307.20x = 3,456.32 × 1,785.44
  4. Step 4: Simplify right side
    2,307.20x = 6,171,051.98
  5. Step 5: Solve for x
    x = 6,171,051.98/2,307.20
  6. Step 6: Final answer
    x = 2,674.69

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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.