Home / 3,574.86-5,361.95-2,187.48

Finding the Fourth Proportional to 3,574.86, 5,361.95 and 2,187.48

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Solution

The fourth proportional to 3,574.86, 5,361.95 and 2,187.48 is: 3,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.86 : 5,361.95 = 2,187.48 : x
  2. Step 2: Convert to fraction form
    3,574.86/5,361.95 = 2,187.48/x
  3. Step 3: Cross multiply
    3,574.86x = 5,361.95 × 2,187.48
  4. Step 4: Simplify right side
    3,574.86x = 11,729,156.58
  5. Step 5: Solve for x
    x = 11,729,156.58/3,574.86
  6. Step 6: Final answer
    x = 3,281.01

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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.