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Finding the Fourth Proportional to 5,871.84, 8,810.79 and 4,484.31

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Solution

The fourth proportional to 5,871.84, 8,810.79 and 4,484.31 is: 6,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.84 : 8,810.79 = 4,484.31 : x
  2. Step 2: Convert to fraction form
    5,871.84/8,810.79 = 4,484.31/x
  3. Step 3: Cross multiply
    5,871.84x = 8,810.79 × 4,484.31
  4. Step 4: Simplify right side
    5,871.84x = 39,510,313.70
  5. Step 5: Solve for x
    x = 39,510,313.70/5,871.84
  6. Step 6: Final answer
    x = 6,728.78

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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.