Home / 4,920.75-6,790.59-2,682.63

Finding the Fourth Proportional to 4,920.75, 6,790.59 and 2,682.63

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Solution

The fourth proportional to 4,920.75, 6,790.59 and 2,682.63 is: 3,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.75 : 6,790.59 = 2,682.63 : x
  2. Step 2: Convert to fraction form
    4,920.75/6,790.59 = 2,682.63/x
  3. Step 3: Cross multiply
    4,920.75x = 6,790.59 × 2,682.63
  4. Step 4: Simplify right side
    4,920.75x = 18,216,640.45
  5. Step 5: Solve for x
    x = 18,216,640.45/4,920.75
  6. Step 6: Final answer
    x = 3,702.00

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Half scale
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Double scale
Find fourth proportional to 4,921.75, 6,791.97 and 2,683.63
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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.