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Finding the Fourth Proportional to 2,058.65, 2,841.10 and 1,174.51

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Solution

The fourth proportional to 2,058.65, 2,841.10 and 1,174.51 is: 1,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.65 : 2,841.10 = 1,174.51 : x
  2. Step 2: Convert to fraction form
    2,058.65/2,841.10 = 1,174.51/x
  3. Step 3: Cross multiply
    2,058.65x = 2,841.10 × 1,174.51
  4. Step 4: Simplify right side
    2,058.65x = 3,336,900.98
  5. Step 5: Solve for x
    x = 3,336,900.98/2,058.65
  6. Step 6: Final answer
    x = 1,620.92

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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.