Home / 3,266.34-4,507.47-1,869

Finding the Fourth Proportional to 3,266.34, 4,507.47 and 1,869

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Solution

The fourth proportional to 3,266.34, 4,507.47 and 1,869 is: 2,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.34 : 4,507.47 = 1,869 : x
  2. Step 2: Convert to fraction form
    3,266.34/4,507.47 = 1,869/x
  3. Step 3: Cross multiply
    3,266.34x = 4,507.47 × 1,869
  4. Step 4: Simplify right side
    3,266.34x = 8,424,461.43
  5. Step 5: Solve for x
    x = 8,424,461.43/3,266.34
  6. Step 6: Final answer
    x = 2,579.17

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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.