Home / 3,548.18-4,897.23-2,131.93

Finding the Fourth Proportional to 3,548.18, 4,897.23 and 2,131.93

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Solution

The fourth proportional to 3,548.18, 4,897.23 and 2,131.93 is: 2,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.18 : 4,897.23 = 2,131.93 : x
  2. Step 2: Convert to fraction form
    3,548.18/4,897.23 = 2,131.93/x
  3. Step 3: Cross multiply
    3,548.18x = 4,897.23 × 2,131.93
  4. Step 4: Simplify right side
    3,548.18x = 10,440,551.55
  5. Step 5: Solve for x
    x = 10,440,551.55/3,548.18
  6. Step 6: Final answer
    x = 2,942.51

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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.