Home / 3,129.04-4,688.12-2,032.16

Finding the Fourth Proportional to 3,129.04, 4,688.12 and 2,032.16

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Solution

The fourth proportional to 3,129.04, 4,688.12 and 2,032.16 is: 3,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.04 : 4,688.12 = 2,032.16 : x
  2. Step 2: Convert to fraction form
    3,129.04/4,688.12 = 2,032.16/x
  3. Step 3: Cross multiply
    3,129.04x = 4,688.12 × 2,032.16
  4. Step 4: Simplify right side
    3,129.04x = 9,527,009.94
  5. Step 5: Solve for x
    x = 9,527,009.94/3,129.04
  6. Step 6: Final answer
    x = 3,044.71

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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.