Home / 3,008.54-4,151.60-1,681.98

Finding the Fourth Proportional to 3,008.54, 4,151.60 and 1,681.98

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Solution

The fourth proportional to 3,008.54, 4,151.60 and 1,681.98 is: 2,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.54 : 4,151.60 = 1,681.98 : x
  2. Step 2: Convert to fraction form
    3,008.54/4,151.60 = 1,681.98/x
  3. Step 3: Cross multiply
    3,008.54x = 4,151.60 × 1,681.98
  4. Step 4: Simplify right side
    3,008.54x = 6,982,908.17
  5. Step 5: Solve for x
    x = 6,982,908.17/3,008.54
  6. Step 6: Final answer
    x = 2,321.03

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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.