Home / 3,661.48-5,493.90-1,582.12

Finding the Fourth Proportional to 3,661.48, 5,493.90 and 1,582.12

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Solution

The fourth proportional to 3,661.48, 5,493.90 and 1,582.12 is: 2,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.48 : 5,493.90 = 1,582.12 : x
  2. Step 2: Convert to fraction form
    3,661.48/5,493.90 = 1,582.12/x
  3. Step 3: Cross multiply
    3,661.48x = 5,493.90 × 1,582.12
  4. Step 4: Simplify right side
    3,661.48x = 8,692,009.07
  5. Step 5: Solve for x
    x = 8,692,009.07/3,661.48
  6. Step 6: Final answer
    x = 2,373.91

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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.