Home / 5,727.70-8,591.89-1,779.33

Finding the Fourth Proportional to 5,727.70, 8,591.89 and 1,779.33

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Solution

The fourth proportional to 5,727.70, 8,591.89 and 1,779.33 is: 2,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.70 : 8,591.89 = 1,779.33 : x
  2. Step 2: Convert to fraction form
    5,727.70/8,591.89 = 1,779.33/x
  3. Step 3: Cross multiply
    5,727.70x = 8,591.89 × 1,779.33
  4. Step 4: Simplify right side
    5,727.70x = 15,287,807.63
  5. Step 5: Solve for x
    x = 15,287,807.63/5,727.70
  6. Step 6: Final answer
    x = 2,669.10

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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.