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Finding the Fourth Proportional to 1,877.73, 2,592.12 and 1,091.63

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Solution

The fourth proportional to 1,877.73, 2,592.12 and 1,091.63 is: 1,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.73 : 2,592.12 = 1,091.63 : x
  2. Step 2: Convert to fraction form
    1,877.73/2,592.12 = 1,091.63/x
  3. Step 3: Cross multiply
    1,877.73x = 2,592.12 × 1,091.63
  4. Step 4: Simplify right side
    1,877.73x = 2,829,623.00
  5. Step 5: Solve for x
    x = 2,829,623.00/1,877.73
  6. Step 6: Final answer
    x = 1,506.94

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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.