Home / 3,702.90-5,554.88-1,105.50

Finding the Fourth Proportional to 3,702.90, 5,554.88 and 1,105.50

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Solution

The fourth proportional to 3,702.90, 5,554.88 and 1,105.50 is: 1,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.90 : 5,554.88 = 1,105.50 : x
  2. Step 2: Convert to fraction form
    3,702.90/5,554.88 = 1,105.50/x
  3. Step 3: Cross multiply
    3,702.90x = 5,554.88 × 1,105.50
  4. Step 4: Simplify right side
    3,702.90x = 6,140,919.84
  5. Step 5: Solve for x
    x = 6,140,919.84/3,702.90
  6. Step 6: Final answer
    x = 1,658.41

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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.