Home / 3,415.02-5,122.50-1,334.42

Finding the Fourth Proportional to 3,415.02, 5,122.50 and 1,334.42

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Solution

The fourth proportional to 3,415.02, 5,122.50 and 1,334.42 is: 2,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.02 : 5,122.50 = 1,334.42 : x
  2. Step 2: Convert to fraction form
    3,415.02/5,122.50 = 1,334.42/x
  3. Step 3: Cross multiply
    3,415.02x = 5,122.50 × 1,334.42
  4. Step 4: Simplify right side
    3,415.02x = 6,835,566.45
  5. Step 5: Solve for x
    x = 6,835,566.45/3,415.02
  6. Step 6: Final answer
    x = 2,001.62

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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.