Home / 7,740.91-10,682.46-4,204.18

Finding the Fourth Proportional to 7,740.91, 10,682.46 and 4,204.18

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Solution

The fourth proportional to 7,740.91, 10,682.46 and 4,204.18 is: 5,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.91 : 10,682.46 = 4,204.18 : x
  2. Step 2: Convert to fraction form
    7,740.91/10,682.46 = 4,204.18/x
  3. Step 3: Cross multiply
    7,740.91x = 10,682.46 × 4,204.18
  4. Step 4: Simplify right side
    7,740.91x = 44,910,984.68
  5. Step 5: Solve for x
    x = 44,910,984.68/7,740.91
  6. Step 6: Final answer
    x = 5,801.77

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Double scale
Find fourth proportional to 7,741.91, 10,683.84 and 4,205.18
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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.