Home / 3,549.18-4,897.74-2,133.68

Finding the Fourth Proportional to 3,549.18, 4,897.74 and 2,133.68

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Solution

The fourth proportional to 3,549.18, 4,897.74 and 2,133.68 is: 2,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.18 : 4,897.74 = 2,133.68 : x
  2. Step 2: Convert to fraction form
    3,549.18/4,897.74 = 2,133.68/x
  3. Step 3: Cross multiply
    3,549.18x = 4,897.74 × 2,133.68
  4. Step 4: Simplify right side
    3,549.18x = 10,450,209.88
  5. Step 5: Solve for x
    x = 10,450,209.88/3,549.18
  6. Step 6: Final answer
    x = 2,944.40

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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.