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Finding the Fourth Proportional to 4,865.94, 7,292.79 and 2,089.35

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Solution

The fourth proportional to 4,865.94, 7,292.79 and 2,089.35 is: 3,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.94 : 7,292.79 = 2,089.35 : x
  2. Step 2: Convert to fraction form
    4,865.94/7,292.79 = 2,089.35/x
  3. Step 3: Cross multiply
    4,865.94x = 7,292.79 × 2,089.35
  4. Step 4: Simplify right side
    4,865.94x = 15,237,190.79
  5. Step 5: Solve for x
    x = 15,237,190.79/4,865.94
  6. Step 6: Final answer
    x = 3,131.40

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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.