Home / 5,464.02-7,540.28-3,105.68

Finding the Fourth Proportional to 5,464.02, 7,540.28 and 3,105.68

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Solution

The fourth proportional to 5,464.02, 7,540.28 and 3,105.68 is: 4,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.02 : 7,540.28 = 3,105.68 : x
  2. Step 2: Convert to fraction form
    5,464.02/7,540.28 = 3,105.68/x
  3. Step 3: Cross multiply
    5,464.02x = 7,540.28 × 3,105.68
  4. Step 4: Simplify right side
    5,464.02x = 23,417,696.79
  5. Step 5: Solve for x
    x = 23,417,696.79/5,464.02
  6. Step 6: Final answer
    x = 4,285.80

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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.