Home / 3,372.48-4,653.90-1,975.20

Finding the Fourth Proportional to 3,372.48, 4,653.90 and 1,975.20

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Solution

The fourth proportional to 3,372.48, 4,653.90 and 1,975.20 is: 2,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.48 : 4,653.90 = 1,975.20 : x
  2. Step 2: Convert to fraction form
    3,372.48/4,653.90 = 1,975.20/x
  3. Step 3: Cross multiply
    3,372.48x = 4,653.90 × 1,975.20
  4. Step 4: Simplify right side
    3,372.48x = 9,192,383.28
  5. Step 5: Solve for x
    x = 9,192,383.28/3,372.48
  6. Step 6: Final answer
    x = 2,725.70

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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.