Home / 3,573.47-4,932.09-2,157.39

Finding the Fourth Proportional to 3,573.47, 4,932.09 and 2,157.39

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Solution

The fourth proportional to 3,573.47, 4,932.09 and 2,157.39 is: 2,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.47 : 4,932.09 = 2,157.39 : x
  2. Step 2: Convert to fraction form
    3,573.47/4,932.09 = 2,157.39/x
  3. Step 3: Cross multiply
    3,573.47x = 4,932.09 × 2,157.39
  4. Step 4: Simplify right side
    3,573.47x = 10,640,441.65
  5. Step 5: Solve for x
    x = 10,640,441.65/3,573.47
  6. Step 6: Final answer
    x = 2,977.62

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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.