Home / 4,967.60-7,452.21-1,680.89

Finding the Fourth Proportional to 4,967.60, 7,452.21 and 1,680.89

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Solution

The fourth proportional to 4,967.60, 7,452.21 and 1,680.89 is: 2,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.60 : 7,452.21 = 1,680.89 : x
  2. Step 2: Convert to fraction form
    4,967.60/7,452.21 = 1,680.89/x
  3. Step 3: Cross multiply
    4,967.60x = 7,452.21 × 1,680.89
  4. Step 4: Simplify right side
    4,967.60x = 12,526,345.27
  5. Step 5: Solve for x
    x = 12,526,345.27/4,967.60
  6. Step 6: Final answer
    x = 2,521.61

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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.