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Finding the Fourth Proportional to 2,881.83, 3,977.15 and 1,703.13

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Solution

The fourth proportional to 2,881.83, 3,977.15 and 1,703.13 is: 2,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.83 : 3,977.15 = 1,703.13 : x
  2. Step 2: Convert to fraction form
    2,881.83/3,977.15 = 1,703.13/x
  3. Step 3: Cross multiply
    2,881.83x = 3,977.15 × 1,703.13
  4. Step 4: Simplify right side
    2,881.83x = 6,773,589.63
  5. Step 5: Solve for x
    x = 6,773,589.63/2,881.83
  6. Step 6: Final answer
    x = 2,350.45

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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.