Home / 3,713.34-5,124.87-2,141.44

Finding the Fourth Proportional to 3,713.34, 5,124.87 and 2,141.44

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Solution

The fourth proportional to 3,713.34, 5,124.87 and 2,141.44 is: 2,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.34 : 5,124.87 = 2,141.44 : x
  2. Step 2: Convert to fraction form
    3,713.34/5,124.87 = 2,141.44/x
  3. Step 3: Cross multiply
    3,713.34x = 5,124.87 × 2,141.44
  4. Step 4: Simplify right side
    3,713.34x = 10,974,588.80
  5. Step 5: Solve for x
    x = 10,974,588.80/3,713.34
  6. Step 6: Final answer
    x = 2,955.45

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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.