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Finding the Fourth Proportional to 5,058.74, 6,980.73 and 2,934.35

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Solution

The fourth proportional to 5,058.74, 6,980.73 and 2,934.35 is: 4,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.74 : 6,980.73 = 2,934.35 : x
  2. Step 2: Convert to fraction form
    5,058.74/6,980.73 = 2,934.35/x
  3. Step 3: Cross multiply
    5,058.74x = 6,980.73 × 2,934.35
  4. Step 4: Simplify right side
    5,058.74x = 20,483,870.17
  5. Step 5: Solve for x
    x = 20,483,870.17/5,058.74
  6. Step 6: Final answer
    x = 4,049.21

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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.