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Finding the Fourth Proportional to 2,245.32, 3,095.82 and 1,458

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Solution

The fourth proportional to 2,245.32, 3,095.82 and 1,458 is: 2,010.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.32 : 3,095.82 = 1,458 : x
  2. Step 2: Convert to fraction form
    2,245.32/3,095.82 = 1,458/x
  3. Step 3: Cross multiply
    2,245.32x = 3,095.82 × 1,458
  4. Step 4: Simplify right side
    2,245.32x = 4,513,705.56
  5. Step 5: Solve for x
    x = 4,513,705.56/2,245.32
  6. Step 6: Final answer
    x = 2,010.27

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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.