Home / 2,480.51-3,423.42-1,432.37

Finding the Fourth Proportional to 2,480.51, 3,423.42 and 1,432.37

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Solution

The fourth proportional to 2,480.51, 3,423.42 and 1,432.37 is: 1,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.51 : 3,423.42 = 1,432.37 : x
  2. Step 2: Convert to fraction form
    2,480.51/3,423.42 = 1,432.37/x
  3. Step 3: Cross multiply
    2,480.51x = 3,423.42 × 1,432.37
  4. Step 4: Simplify right side
    2,480.51x = 4,903,600.52
  5. Step 5: Solve for x
    x = 4,903,600.52/2,480.51
  6. Step 6: Final answer
    x = 1,976.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.