Home / 3,725.84-5,141.70-2,047.28

Finding the Fourth Proportional to 3,725.84, 5,141.70 and 2,047.28

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Solution

The fourth proportional to 3,725.84, 5,141.70 and 2,047.28 is: 2,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.84 : 5,141.70 = 2,047.28 : x
  2. Step 2: Convert to fraction form
    3,725.84/5,141.70 = 2,047.28/x
  3. Step 3: Cross multiply
    3,725.84x = 5,141.70 × 2,047.28
  4. Step 4: Simplify right side
    3,725.84x = 10,526,489.34
  5. Step 5: Solve for x
    x = 10,526,489.34/3,725.84
  6. Step 6: Final answer
    x = 2,825.27

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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.