Home / 4,927.74-7,389.75-2,005.05

Finding the Fourth Proportional to 4,927.74, 7,389.75 and 2,005.05

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Solution

The fourth proportional to 4,927.74, 7,389.75 and 2,005.05 is: 3,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.74 : 7,389.75 = 2,005.05 : x
  2. Step 2: Convert to fraction form
    4,927.74/7,389.75 = 2,005.05/x
  3. Step 3: Cross multiply
    4,927.74x = 7,389.75 × 2,005.05
  4. Step 4: Simplify right side
    4,927.74x = 14,816,818.24
  5. Step 5: Solve for x
    x = 14,816,818.24/4,927.74
  6. Step 6: Final answer
    x = 3,006.82

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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.