Home / 4,014.76-5,539.78-2,686.36

Finding the Fourth Proportional to 4,014.76, 5,539.78 and 2,686.36

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Solution

The fourth proportional to 4,014.76, 5,539.78 and 2,686.36 is: 3,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,014.76 : 5,539.78 = 2,686.36 : x
  2. Step 2: Convert to fraction form
    4,014.76/5,539.78 = 2,686.36/x
  3. Step 3: Cross multiply
    4,014.76x = 5,539.78 × 2,686.36
  4. Step 4: Simplify right side
    4,014.76x = 14,881,843.40
  5. Step 5: Solve for x
    x = 14,881,843.40/4,014.76
  6. Step 6: Final answer
    x = 3,706.78

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Half scale
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Double scale
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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.