Home / 3,970.41-5,466.69-3,371.64

Finding the Fourth Proportional to 3,970.41, 5,466.69 and 3,371.64

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Solution

The fourth proportional to 3,970.41, 5,466.69 and 3,371.64 is: 4,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.41 : 5,466.69 = 3,371.64 : x
  2. Step 2: Convert to fraction form
    3,970.41/5,466.69 = 3,371.64/x
  3. Step 3: Cross multiply
    3,970.41x = 5,466.69 × 3,371.64
  4. Step 4: Simplify right side
    3,970.41x = 18,431,710.67
  5. Step 5: Solve for x
    x = 18,431,710.67/3,970.41
  6. Step 6: Final answer
    x = 4,642.27

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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.