Home / 3,432.51-5,149.98-1,124.01

Finding the Fourth Proportional to 3,432.51, 5,149.98 and 1,124.01

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Solution

The fourth proportional to 3,432.51, 5,149.98 and 1,124.01 is: 1,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.51 : 5,149.98 = 1,124.01 : x
  2. Step 2: Convert to fraction form
    3,432.51/5,149.98 = 1,124.01/x
  3. Step 3: Cross multiply
    3,432.51x = 5,149.98 × 1,124.01
  4. Step 4: Simplify right side
    3,432.51x = 5,788,629.02
  5. Step 5: Solve for x
    x = 5,788,629.02/3,432.51
  6. Step 6: Final answer
    x = 1,686.41

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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.