Home / 3,032.40-4,542.12-1,874.64

Finding the Fourth Proportional to 3,032.40, 4,542.12 and 1,874.64

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Solution

The fourth proportional to 3,032.40, 4,542.12 and 1,874.64 is: 2,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.40 : 4,542.12 = 1,874.64 : x
  2. Step 2: Convert to fraction form
    3,032.40/4,542.12 = 1,874.64/x
  3. Step 3: Cross multiply
    3,032.40x = 4,542.12 × 1,874.64
  4. Step 4: Simplify right side
    3,032.40x = 8,514,839.84
  5. Step 5: Solve for x
    x = 8,514,839.84/3,032.40
  6. Step 6: Final answer
    x = 2,807.95

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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.