Home / 2,927.14-4,038.32-1,806.13

Finding the Fourth Proportional to 2,927.14, 4,038.32 and 1,806.13

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Solution

The fourth proportional to 2,927.14, 4,038.32 and 1,806.13 is: 2,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.14 : 4,038.32 = 1,806.13 : x
  2. Step 2: Convert to fraction form
    2,927.14/4,038.32 = 1,806.13/x
  3. Step 3: Cross multiply
    2,927.14x = 4,038.32 × 1,806.13
  4. Step 4: Simplify right side
    2,927.14x = 7,293,701.68
  5. Step 5: Solve for x
    x = 7,293,701.68/2,927.14
  6. Step 6: Final answer
    x = 2,491.75

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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.