Home / 5,635.53-7,772.29-4,222.53

Finding the Fourth Proportional to 5,635.53, 7,772.29 and 4,222.53

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Solution

The fourth proportional to 5,635.53, 7,772.29 and 4,222.53 is: 5,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.53 : 7,772.29 = 4,222.53 : x
  2. Step 2: Convert to fraction form
    5,635.53/7,772.29 = 4,222.53/x
  3. Step 3: Cross multiply
    5,635.53x = 7,772.29 × 4,222.53
  4. Step 4: Simplify right side
    5,635.53x = 32,818,727.69
  5. Step 5: Solve for x
    x = 32,818,727.69/5,635.53
  6. Step 6: Final answer
    x = 5,823.54

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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.