Home / 3,573.49-4,930.27-2,157.64

Finding the Fourth Proportional to 3,573.49, 4,930.27 and 2,157.64

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Solution

The fourth proportional to 3,573.49, 4,930.27 and 2,157.64 is: 2,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.49 : 4,930.27 = 2,157.64 : x
  2. Step 2: Convert to fraction form
    3,573.49/4,930.27 = 2,157.64/x
  3. Step 3: Cross multiply
    3,573.49x = 4,930.27 × 2,157.64
  4. Step 4: Simplify right side
    3,573.49x = 10,637,730.04
  5. Step 5: Solve for x
    x = 10,637,730.04/3,573.49
  6. Step 6: Final answer
    x = 2,976.84

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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.