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Finding the Fourth Proportional to 2,602.91, 3,591.99 and 1,423.97

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Solution

The fourth proportional to 2,602.91, 3,591.99 and 1,423.97 is: 1,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.91 : 3,591.99 = 1,423.97 : x
  2. Step 2: Convert to fraction form
    2,602.91/3,591.99 = 1,423.97/x
  3. Step 3: Cross multiply
    2,602.91x = 3,591.99 × 1,423.97
  4. Step 4: Simplify right side
    2,602.91x = 5,114,881.51
  5. Step 5: Solve for x
    x = 5,114,881.51/2,602.91
  6. Step 6: Final answer
    x = 1,965.06

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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.