Home / 4,059.18-6,086.49-1,286.55

Finding the Fourth Proportional to 4,059.18, 6,086.49 and 1,286.55

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Solution

The fourth proportional to 4,059.18, 6,086.49 and 1,286.55 is: 1,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.18 : 6,086.49 = 1,286.55 : x
  2. Step 2: Convert to fraction form
    4,059.18/6,086.49 = 1,286.55/x
  3. Step 3: Cross multiply
    4,059.18x = 6,086.49 × 1,286.55
  4. Step 4: Simplify right side
    4,059.18x = 7,830,573.71
  5. Step 5: Solve for x
    x = 7,830,573.71/4,059.18
  6. Step 6: Final answer
    x = 1,929.10

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Double scale
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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.