Home / 3,549.21-4,897.91-1,934.11

Finding the Fourth Proportional to 3,549.21, 4,897.91 and 1,934.11

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Solution

The fourth proportional to 3,549.21, 4,897.91 and 1,934.11 is: 2,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.21 : 4,897.91 = 1,934.11 : x
  2. Step 2: Convert to fraction form
    3,549.21/4,897.91 = 1,934.11/x
  3. Step 3: Cross multiply
    3,549.21x = 4,897.91 × 1,934.11
  4. Step 4: Simplify right side
    3,549.21x = 9,473,062.55
  5. Step 5: Solve for x
    x = 9,473,062.55/3,549.21
  6. Step 6: Final answer
    x = 2,669.07

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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.