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Finding the Fourth Proportional to 3,153.91, 4,700.12 and 3,058.90

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Solution

The fourth proportional to 3,153.91, 4,700.12 and 3,058.90 is: 4,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.91 : 4,700.12 = 3,058.90 : x
  2. Step 2: Convert to fraction form
    3,153.91/4,700.12 = 3,058.90/x
  3. Step 3: Cross multiply
    3,153.91x = 4,700.12 × 3,058.90
  4. Step 4: Simplify right side
    3,153.91x = 14,377,197.07
  5. Step 5: Solve for x
    x = 14,377,197.07/3,153.91
  6. Step 6: Final answer
    x = 4,558.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.