Home / 2,785.89-3,845.14-1,666.41

Finding the Fourth Proportional to 2,785.89, 3,845.14 and 1,666.41

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Solution

The fourth proportional to 2,785.89, 3,845.14 and 1,666.41 is: 2,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.89 : 3,845.14 = 1,666.41 : x
  2. Step 2: Convert to fraction form
    2,785.89/3,845.14 = 1,666.41/x
  3. Step 3: Cross multiply
    2,785.89x = 3,845.14 × 1,666.41
  4. Step 4: Simplify right side
    2,785.89x = 6,407,561.16
  5. Step 5: Solve for x
    x = 6,407,561.16/2,785.89
  6. Step 6: Final answer
    x = 2,300.00

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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.