Home / 3,386.50-4,673.33-1,874.12

Finding the Fourth Proportional to 3,386.50, 4,673.33 and 1,874.12

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Solution

The fourth proportional to 3,386.50, 4,673.33 and 1,874.12 is: 2,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.50 : 4,673.33 = 1,874.12 : x
  2. Step 2: Convert to fraction form
    3,386.50/4,673.33 = 1,874.12/x
  3. Step 3: Cross multiply
    3,386.50x = 4,673.33 × 1,874.12
  4. Step 4: Simplify right side
    3,386.50x = 8,758,383.53
  5. Step 5: Solve for x
    x = 8,758,383.53/3,386.50
  6. Step 6: Final answer
    x = 2,586.27

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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.