Home / 5,785.55-8,677.35-1,889.96

Finding the Fourth Proportional to 5,785.55, 8,677.35 and 1,889.96

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Solution

The fourth proportional to 5,785.55, 8,677.35 and 1,889.96 is: 2,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.55 : 8,677.35 = 1,889.96 : x
  2. Step 2: Convert to fraction form
    5,785.55/8,677.35 = 1,889.96/x
  3. Step 3: Cross multiply
    5,785.55x = 8,677.35 × 1,889.96
  4. Step 4: Simplify right side
    5,785.55x = 16,399,801.02
  5. Step 5: Solve for x
    x = 16,399,801.02/5,785.55
  6. Step 6: Final answer
    x = 2,834.62

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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.