Home / 4,620.35-6,929.68-1,332.63

Finding the Fourth Proportional to 4,620.35, 6,929.68 and 1,332.63

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Solution

The fourth proportional to 4,620.35, 6,929.68 and 1,332.63 is: 1,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.35 : 6,929.68 = 1,332.63 : x
  2. Step 2: Convert to fraction form
    4,620.35/6,929.68 = 1,332.63/x
  3. Step 3: Cross multiply
    4,620.35x = 6,929.68 × 1,332.63
  4. Step 4: Simplify right side
    4,620.35x = 9,234,699.46
  5. Step 5: Solve for x
    x = 9,234,699.46/4,620.35
  6. Step 6: Final answer
    x = 1,998.70

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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.