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Finding the Fourth Proportional to 3,573.52, 4,931.04 and 2,157.52

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Solution

The fourth proportional to 3,573.52, 4,931.04 and 2,157.52 is: 2,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.52 : 4,931.04 = 2,157.52 : x
  2. Step 2: Convert to fraction form
    3,573.52/4,931.04 = 2,157.52/x
  3. Step 3: Cross multiply
    3,573.52x = 4,931.04 × 2,157.52
  4. Step 4: Simplify right side
    3,573.52x = 10,638,817.42
  5. Step 5: Solve for x
    x = 10,638,817.42/3,573.52
  6. Step 6: Final answer
    x = 2,977.13

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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.