Home / 5,768.55-8,650.59-1,818.96

Finding the Fourth Proportional to 5,768.55, 8,650.59 and 1,818.96

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Solution

The fourth proportional to 5,768.55, 8,650.59 and 1,818.96 is: 2,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.55 : 8,650.59 = 1,818.96 : x
  2. Step 2: Convert to fraction form
    5,768.55/8,650.59 = 1,818.96/x
  3. Step 3: Cross multiply
    5,768.55x = 8,650.59 × 1,818.96
  4. Step 4: Simplify right side
    5,768.55x = 15,735,077.19
  5. Step 5: Solve for x
    x = 15,735,077.19/5,768.55
  6. Step 6: Final answer
    x = 2,727.74

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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.