Home / 7,740.62-10,682.28-4,204.07

Finding the Fourth Proportional to 7,740.62, 10,682.28 and 4,204.07

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Solution

The fourth proportional to 7,740.62, 10,682.28 and 4,204.07 is: 5,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.62 : 10,682.28 = 4,204.07 : x
  2. Step 2: Convert to fraction form
    7,740.62/10,682.28 = 4,204.07/x
  3. Step 3: Cross multiply
    7,740.62x = 10,682.28 × 4,204.07
  4. Step 4: Simplify right side
    7,740.62x = 44,909,052.88
  5. Step 5: Solve for x
    x = 44,909,052.88/7,740.62
  6. Step 6: Final answer
    x = 5,801.74

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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.