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Finding the Fourth Proportional to 5,672.03, 7,827.35 and 3,154.37

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Solution

The fourth proportional to 5,672.03, 7,827.35 and 3,154.37 is: 4,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.03 : 7,827.35 = 3,154.37 : x
  2. Step 2: Convert to fraction form
    5,672.03/7,827.35 = 3,154.37/x
  3. Step 3: Cross multiply
    5,672.03x = 7,827.35 × 3,154.37
  4. Step 4: Simplify right side
    5,672.03x = 24,690,326.77
  5. Step 5: Solve for x
    x = 24,690,326.77/5,672.03
  6. Step 6: Final answer
    x = 4,353.00

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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.