Home / 5,816.50-8,725.31-1,866.76

Finding the Fourth Proportional to 5,816.50, 8,725.31 and 1,866.76

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Solution

The fourth proportional to 5,816.50, 8,725.31 and 1,866.76 is: 2,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.50 : 8,725.31 = 1,866.76 : x
  2. Step 2: Convert to fraction form
    5,816.50/8,725.31 = 1,866.76/x
  3. Step 3: Cross multiply
    5,816.50x = 8,725.31 × 1,866.76
  4. Step 4: Simplify right side
    5,816.50x = 16,288,059.70
  5. Step 5: Solve for x
    x = 16,288,059.70/5,816.50
  6. Step 6: Final answer
    x = 2,800.32

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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.