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Finding the Fourth Proportional to 2,094.79, 2,891.63 and 1,572.34

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Solution

The fourth proportional to 2,094.79, 2,891.63 and 1,572.34 is: 2,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.79 : 2,891.63 = 1,572.34 : x
  2. Step 2: Convert to fraction form
    2,094.79/2,891.63 = 1,572.34/x
  3. Step 3: Cross multiply
    2,094.79x = 2,891.63 × 1,572.34
  4. Step 4: Simplify right side
    2,094.79x = 4,546,625.51
  5. Step 5: Solve for x
    x = 4,546,625.51/2,094.79
  6. Step 6: Final answer
    x = 2,170.44

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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.