Home / 3,340.42-5,009.18-1,585.93

Finding the Fourth Proportional to 3,340.42, 5,009.18 and 1,585.93

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Solution

The fourth proportional to 3,340.42, 5,009.18 and 1,585.93 is: 2,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.42 : 5,009.18 = 1,585.93 : x
  2. Step 2: Convert to fraction form
    3,340.42/5,009.18 = 1,585.93/x
  3. Step 3: Cross multiply
    3,340.42x = 5,009.18 × 1,585.93
  4. Step 4: Simplify right side
    3,340.42x = 7,944,175.86
  5. Step 5: Solve for x
    x = 7,944,175.86/3,340.42
  6. Step 6: Final answer
    x = 2,378.20

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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.