Home / 2,326.41-3,485.55-1,938.90

Finding the Fourth Proportional to 2,326.41, 3,485.55 and 1,938.90

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Solution

The fourth proportional to 2,326.41, 3,485.55 and 1,938.90 is: 2,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.41 : 3,485.55 = 1,938.90 : x
  2. Step 2: Convert to fraction form
    2,326.41/3,485.55 = 1,938.90/x
  3. Step 3: Cross multiply
    2,326.41x = 3,485.55 × 1,938.90
  4. Step 4: Simplify right side
    2,326.41x = 6,758,146.46
  5. Step 5: Solve for x
    x = 6,758,146.46/2,326.41
  6. Step 6: Final answer
    x = 2,904.96

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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.