Home / 5,557.35-7,669.02-3,039.57

Finding the Fourth Proportional to 5,557.35, 7,669.02 and 3,039.57

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Solution

The fourth proportional to 5,557.35, 7,669.02 and 3,039.57 is: 4,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.35 : 7,669.02 = 3,039.57 : x
  2. Step 2: Convert to fraction form
    5,557.35/7,669.02 = 3,039.57/x
  3. Step 3: Cross multiply
    5,557.35x = 7,669.02 × 3,039.57
  4. Step 4: Simplify right side
    5,557.35x = 23,310,523.12
  5. Step 5: Solve for x
    x = 23,310,523.12/5,557.35
  6. Step 6: Final answer
    x = 4,194.54

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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.