Home / 6,281.42-8,668.51-3,449.07

Finding the Fourth Proportional to 6,281.42, 8,668.51 and 3,449.07

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Solution

The fourth proportional to 6,281.42, 8,668.51 and 3,449.07 is: 4,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.42 : 8,668.51 = 3,449.07 : x
  2. Step 2: Convert to fraction form
    6,281.42/8,668.51 = 3,449.07/x
  3. Step 3: Cross multiply
    6,281.42x = 8,668.51 × 3,449.07
  4. Step 4: Simplify right side
    6,281.42x = 29,898,289.16
  5. Step 5: Solve for x
    x = 29,898,289.16/6,281.42
  6. Step 6: Final answer
    x = 4,759.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.