Home / 6,874.41-9,486.72-3,730.60

Finding the Fourth Proportional to 6,874.41, 9,486.72 and 3,730.60

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Solution

The fourth proportional to 6,874.41, 9,486.72 and 3,730.60 is: 5,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.41 : 9,486.72 = 3,730.60 : x
  2. Step 2: Convert to fraction form
    6,874.41/9,486.72 = 3,730.60/x
  3. Step 3: Cross multiply
    6,874.41x = 9,486.72 × 3,730.60
  4. Step 4: Simplify right side
    6,874.41x = 35,391,157.63
  5. Step 5: Solve for x
    x = 35,391,157.63/6,874.41
  6. Step 6: Final answer
    x = 5,148.25

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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.