Home / 3,193.35-4,409.60-2,148.45

Finding the Fourth Proportional to 3,193.35, 4,409.60 and 2,148.45

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Solution

The fourth proportional to 3,193.35, 4,409.60 and 2,148.45 is: 2,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.35 : 4,409.60 = 2,148.45 : x
  2. Step 2: Convert to fraction form
    3,193.35/4,409.60 = 2,148.45/x
  3. Step 3: Cross multiply
    3,193.35x = 4,409.60 × 2,148.45
  4. Step 4: Simplify right side
    3,193.35x = 9,473,805.12
  5. Step 5: Solve for x
    x = 9,473,805.12/3,193.35
  6. Step 6: Final answer
    x = 2,966.73

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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.