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Finding the Fourth Proportional to 2,893.79, 4,347.81 and 1,854.24

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Solution

The fourth proportional to 2,893.79, 4,347.81 and 1,854.24 is: 2,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.79 : 4,347.81 = 1,854.24 : x
  2. Step 2: Convert to fraction form
    2,893.79/4,347.81 = 1,854.24/x
  3. Step 3: Cross multiply
    2,893.79x = 4,347.81 × 1,854.24
  4. Step 4: Simplify right side
    2,893.79x = 8,061,883.21
  5. Step 5: Solve for x
    x = 8,061,883.21/2,893.79
  6. Step 6: Final answer
    x = 2,785.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.