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Finding the Fourth Proportional to 2,941.87, 4,058.76 and 2,715.88

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Solution

The fourth proportional to 2,941.87, 4,058.76 and 2,715.88 is: 3,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.87 : 4,058.76 = 2,715.88 : x
  2. Step 2: Convert to fraction form
    2,941.87/4,058.76 = 2,715.88/x
  3. Step 3: Cross multiply
    2,941.87x = 4,058.76 × 2,715.88
  4. Step 4: Simplify right side
    2,941.87x = 11,023,105.11
  5. Step 5: Solve for x
    x = 11,023,105.11/2,941.87
  6. Step 6: Final answer
    x = 3,746.97

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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.