Home / 7,714.17-11,571.30-1,870.83

Finding the Fourth Proportional to 7,714.17, 11,571.30 and 1,870.83

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Solution

The fourth proportional to 7,714.17, 11,571.30 and 1,870.83 is: 2,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714.17 : 11,571.30 = 1,870.83 : x
  2. Step 2: Convert to fraction form
    7,714.17/11,571.30 = 1,870.83/x
  3. Step 3: Cross multiply
    7,714.17x = 11,571.30 × 1,870.83
  4. Step 4: Simplify right side
    7,714.17x = 21,647,935.18
  5. Step 5: Solve for x
    x = 21,647,935.18/7,714.17
  6. Step 6: Final answer
    x = 2,806.26

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Double scale
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Similar ratio
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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.