Home / 3,548.55-4,892.94-2,988.16

Finding the Fourth Proportional to 3,548.55, 4,892.94 and 2,988.16

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Solution

The fourth proportional to 3,548.55, 4,892.94 and 2,988.16 is: 4,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.55 : 4,892.94 = 2,988.16 : x
  2. Step 2: Convert to fraction form
    3,548.55/4,892.94 = 2,988.16/x
  3. Step 3: Cross multiply
    3,548.55x = 4,892.94 × 2,988.16
  4. Step 4: Simplify right side
    3,548.55x = 14,620,887.59
  5. Step 5: Solve for x
    x = 14,620,887.59/3,548.55
  6. Step 6: Final answer
    x = 4,120.24

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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.