Home / 2,538.93-3,503.70-1,419.86

Finding the Fourth Proportional to 2,538.93, 3,503.70 and 1,419.86

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Solution

The fourth proportional to 2,538.93, 3,503.70 and 1,419.86 is: 1,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.93 : 3,503.70 = 1,419.86 : x
  2. Step 2: Convert to fraction form
    2,538.93/3,503.70 = 1,419.86/x
  3. Step 3: Cross multiply
    2,538.93x = 3,503.70 × 1,419.86
  4. Step 4: Simplify right side
    2,538.93x = 4,974,772.24
  5. Step 5: Solve for x
    x = 4,974,772.24/2,538.93
  6. Step 6: Final answer
    x = 1,959.39

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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.