Home / 2,837.61-4,256.13-1,919.07

Finding the Fourth Proportional to 2,837.61, 4,256.13 and 1,919.07

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Solution

The fourth proportional to 2,837.61, 4,256.13 and 1,919.07 is: 2,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.61 : 4,256.13 = 1,919.07 : x
  2. Step 2: Convert to fraction form
    2,837.61/4,256.13 = 1,919.07/x
  3. Step 3: Cross multiply
    2,837.61x = 4,256.13 × 1,919.07
  4. Step 4: Simplify right side
    2,837.61x = 8,167,811.40
  5. Step 5: Solve for x
    x = 8,167,811.40/2,837.61
  6. Step 6: Final answer
    x = 2,878.41

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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.