Home / 3,143.24-4,714.55-1,582.62

Finding the Fourth Proportional to 3,143.24, 4,714.55 and 1,582.62

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Solution

The fourth proportional to 3,143.24, 4,714.55 and 1,582.62 is: 2,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.24 : 4,714.55 = 1,582.62 : x
  2. Step 2: Convert to fraction form
    3,143.24/4,714.55 = 1,582.62/x
  3. Step 3: Cross multiply
    3,143.24x = 4,714.55 × 1,582.62
  4. Step 4: Simplify right side
    3,143.24x = 7,461,345.08
  5. Step 5: Solve for x
    x = 7,461,345.08/3,143.24
  6. Step 6: Final answer
    x = 2,373.78

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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.