Home / 5,505.02-7,586.43-3,930.38

Finding the Fourth Proportional to 5,505.02, 7,586.43 and 3,930.38

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Solution

The fourth proportional to 5,505.02, 7,586.43 and 3,930.38 is: 5,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.02 : 7,586.43 = 3,930.38 : x
  2. Step 2: Convert to fraction form
    5,505.02/7,586.43 = 3,930.38/x
  3. Step 3: Cross multiply
    5,505.02x = 7,586.43 × 3,930.38
  4. Step 4: Simplify right side
    5,505.02x = 29,817,552.74
  5. Step 5: Solve for x
    x = 29,817,552.74/5,505.02
  6. Step 6: Final answer
    x = 5,416.43

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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.