Home / 6,281.46-8,668.40-3,486.96

Finding the Fourth Proportional to 6,281.46, 8,668.40 and 3,486.96

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Solution

The fourth proportional to 6,281.46, 8,668.40 and 3,486.96 is: 4,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.46 : 8,668.40 = 3,486.96 : x
  2. Step 2: Convert to fraction form
    6,281.46/8,668.40 = 3,486.96/x
  3. Step 3: Cross multiply
    6,281.46x = 8,668.40 × 3,486.96
  4. Step 4: Simplify right side
    6,281.46x = 30,226,346.63
  5. Step 5: Solve for x
    x = 30,226,346.63/6,281.46
  6. Step 6: Final answer
    x = 4,811.99

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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.