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Finding the Fourth Proportional to 4,070.88, 5,617.88 and 2,392.32

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Solution

The fourth proportional to 4,070.88, 5,617.88 and 2,392.32 is: 3,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.88 : 5,617.88 = 2,392.32 : x
  2. Step 2: Convert to fraction form
    4,070.88/5,617.88 = 2,392.32/x
  3. Step 3: Cross multiply
    4,070.88x = 5,617.88 × 2,392.32
  4. Step 4: Simplify right side
    4,070.88x = 13,439,754.72
  5. Step 5: Solve for x
    x = 13,439,754.72/4,070.88
  6. Step 6: Final answer
    x = 3,301.44

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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.