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Finding the Fourth Proportional to 4,287.08, 5,916.40 and 2,608.22

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Solution

The fourth proportional to 4,287.08, 5,916.40 and 2,608.22 is: 3,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.08 : 5,916.40 = 2,608.22 : x
  2. Step 2: Convert to fraction form
    4,287.08/5,916.40 = 2,608.22/x
  3. Step 3: Cross multiply
    4,287.08x = 5,916.40 × 2,608.22
  4. Step 4: Simplify right side
    4,287.08x = 15,431,272.81
  5. Step 5: Solve for x
    x = 15,431,272.81/4,287.08
  6. Step 6: Final answer
    x = 3,599.48

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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.