Home / 5,683.58-7,839.68-3,669.56

Finding the Fourth Proportional to 5,683.58, 7,839.68 and 3,669.56

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Solution

The fourth proportional to 5,683.58, 7,839.68 and 3,669.56 is: 5,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.58 : 7,839.68 = 3,669.56 : x
  2. Step 2: Convert to fraction form
    5,683.58/7,839.68 = 3,669.56/x
  3. Step 3: Cross multiply
    5,683.58x = 7,839.68 × 3,669.56
  4. Step 4: Simplify right side
    5,683.58x = 28,768,176.14
  5. Step 5: Solve for x
    x = 28,768,176.14/5,683.58
  6. Step 6: Final answer
    x = 5,061.63

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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.