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Finding the Fourth Proportional to 2,477.70, 3,416.16 and 2,080.92

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Solution

The fourth proportional to 2,477.70, 3,416.16 and 2,080.92 is: 2,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.70 : 3,416.16 = 2,080.92 : x
  2. Step 2: Convert to fraction form
    2,477.70/3,416.16 = 2,080.92/x
  3. Step 3: Cross multiply
    2,477.70x = 3,416.16 × 2,080.92
  4. Step 4: Simplify right side
    2,477.70x = 7,108,755.67
  5. Step 5: Solve for x
    x = 7,108,755.67/2,477.70
  6. Step 6: Final answer
    x = 2,869.09

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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.