Home / 5,775.81-8,662.76-2,077.35

Finding the Fourth Proportional to 5,775.81, 8,662.76 and 2,077.35

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Solution

The fourth proportional to 5,775.81, 8,662.76 and 2,077.35 is: 3,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.81 : 8,662.76 = 2,077.35 : x
  2. Step 2: Convert to fraction form
    5,775.81/8,662.76 = 2,077.35/x
  3. Step 3: Cross multiply
    5,775.81x = 8,662.76 × 2,077.35
  4. Step 4: Simplify right side
    5,775.81x = 17,995,584.49
  5. Step 5: Solve for x
    x = 17,995,584.49/5,775.81
  6. Step 6: Final answer
    x = 3,115.68

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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.