Home / 3,702.70-5,554.63-2,221.57

Finding the Fourth Proportional to 3,702.70, 5,554.63 and 2,221.57

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Solution

The fourth proportional to 3,702.70, 5,554.63 and 2,221.57 is: 3,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.70 : 5,554.63 = 2,221.57 : x
  2. Step 2: Convert to fraction form
    3,702.70/5,554.63 = 2,221.57/x
  3. Step 3: Cross multiply
    3,702.70x = 5,554.63 × 2,221.57
  4. Step 4: Simplify right side
    3,702.70x = 12,339,988.26
  5. Step 5: Solve for x
    x = 12,339,988.26/3,702.70
  6. Step 6: Final answer
    x = 3,332.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.