Home / 3,945.09-5,914.95-1,943.53

Finding the Fourth Proportional to 3,945.09, 5,914.95 and 1,943.53

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Solution

The fourth proportional to 3,945.09, 5,914.95 and 1,943.53 is: 2,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.09 : 5,914.95 = 1,943.53 : x
  2. Step 2: Convert to fraction form
    3,945.09/5,914.95 = 1,943.53/x
  3. Step 3: Cross multiply
    3,945.09x = 5,914.95 × 1,943.53
  4. Step 4: Simplify right side
    3,945.09x = 11,495,882.77
  5. Step 5: Solve for x
    x = 11,495,882.77/3,945.09
  6. Step 6: Final answer
    x = 2,913.97

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1.5x scale

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.