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Finding the Fourth Proportional to 3,580.68, 4,943.03 and 2,387.64

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Solution

The fourth proportional to 3,580.68, 4,943.03 and 2,387.64 is: 3,296.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.68 : 4,943.03 = 2,387.64 : x
  2. Step 2: Convert to fraction form
    3,580.68/4,943.03 = 2,387.64/x
  3. Step 3: Cross multiply
    3,580.68x = 4,943.03 × 2,387.64
  4. Step 4: Simplify right side
    3,580.68x = 11,802,164.21
  5. Step 5: Solve for x
    x = 11,802,164.21/3,580.68
  6. Step 6: Final answer
    x = 3,296.07

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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.