Home / 5,725.49-7,901.40-3,207.62

Finding the Fourth Proportional to 5,725.49, 7,901.40 and 3,207.62

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Solution

The fourth proportional to 5,725.49, 7,901.40 and 3,207.62 is: 4,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.49 : 7,901.40 = 3,207.62 : x
  2. Step 2: Convert to fraction form
    5,725.49/7,901.40 = 3,207.62/x
  3. Step 3: Cross multiply
    5,725.49x = 7,901.40 × 3,207.62
  4. Step 4: Simplify right side
    5,725.49x = 25,344,673.58
  5. Step 5: Solve for x
    x = 25,344,673.58/5,725.49
  6. Step 6: Final answer
    x = 4,426.64

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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.