Home / 3,386.93-4,673.77-1,874.42

Finding the Fourth Proportional to 3,386.93, 4,673.77 and 1,874.42

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Solution

The fourth proportional to 3,386.93, 4,673.77 and 1,874.42 is: 2,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.93 : 4,673.77 = 1,874.42 : x
  2. Step 2: Convert to fraction form
    3,386.93/4,673.77 = 1,874.42/x
  3. Step 3: Cross multiply
    3,386.93x = 4,673.77 × 1,874.42
  4. Step 4: Simplify right side
    3,386.93x = 8,760,600.97
  5. Step 5: Solve for x
    x = 8,760,600.97/3,386.93
  6. Step 6: Final answer
    x = 2,586.59

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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.