Home / 5,342.09-7,371.86-3,103.83

Finding the Fourth Proportional to 5,342.09, 7,371.86 and 3,103.83

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Solution

The fourth proportional to 5,342.09, 7,371.86 and 3,103.83 is: 4,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.09 : 7,371.86 = 3,103.83 : x
  2. Step 2: Convert to fraction form
    5,342.09/7,371.86 = 3,103.83/x
  3. Step 3: Cross multiply
    5,342.09x = 7,371.86 × 3,103.83
  4. Step 4: Simplify right side
    5,342.09x = 22,880,984.70
  5. Step 5: Solve for x
    x = 22,880,984.70/5,342.09
  6. Step 6: Final answer
    x = 4,283.16

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1.5x scale

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.