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Finding the Fourth Proportional to 3,290.42, 4,541.04 and 1,893.14

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Solution

The fourth proportional to 3,290.42, 4,541.04 and 1,893.14 is: 2,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.42 : 4,541.04 = 1,893.14 : x
  2. Step 2: Convert to fraction form
    3,290.42/4,541.04 = 1,893.14/x
  3. Step 3: Cross multiply
    3,290.42x = 4,541.04 × 1,893.14
  4. Step 4: Simplify right side
    3,290.42x = 8,596,824.47
  5. Step 5: Solve for x
    x = 8,596,824.47/3,290.42
  6. Step 6: Final answer
    x = 2,612.68

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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.