Home / 3,386.55-4,673.54-1,894.43

Finding the Fourth Proportional to 3,386.55, 4,673.54 and 1,894.43

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Solution

The fourth proportional to 3,386.55, 4,673.54 and 1,894.43 is: 2,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.55 : 4,673.54 = 1,894.43 : x
  2. Step 2: Convert to fraction form
    3,386.55/4,673.54 = 1,894.43/x
  3. Step 3: Cross multiply
    3,386.55x = 4,673.54 × 1,894.43
  4. Step 4: Simplify right side
    3,386.55x = 8,853,684.91
  5. Step 5: Solve for x
    x = 8,853,684.91/3,386.55
  6. Step 6: Final answer
    x = 2,614.37

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1.5x scale

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.