Home / 5,777.42-8,668.14-1,881.80

Finding the Fourth Proportional to 5,777.42, 8,668.14 and 1,881.80

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Solution

The fourth proportional to 5,777.42, 8,668.14 and 1,881.80 is: 2,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.42 : 8,668.14 = 1,881.80 : x
  2. Step 2: Convert to fraction form
    5,777.42/8,668.14 = 1,881.80/x
  3. Step 3: Cross multiply
    5,777.42x = 8,668.14 × 1,881.80
  4. Step 4: Simplify right side
    5,777.42x = 16,311,705.85
  5. Step 5: Solve for x
    x = 16,311,705.85/5,777.42
  6. Step 6: Final answer
    x = 2,823.35

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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.