Home / 2,926.15-4,036.49-1,878.37

Finding the Fourth Proportional to 2,926.15, 4,036.49 and 1,878.37

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Solution

The fourth proportional to 2,926.15, 4,036.49 and 1,878.37 is: 2,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.15 : 4,036.49 = 1,878.37 : x
  2. Step 2: Convert to fraction form
    2,926.15/4,036.49 = 1,878.37/x
  3. Step 3: Cross multiply
    2,926.15x = 4,036.49 × 1,878.37
  4. Step 4: Simplify right side
    2,926.15x = 7,582,009.28
  5. Step 5: Solve for x
    x = 7,582,009.28/2,926.15
  6. Step 6: Final answer
    x = 2,591.12

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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.