Home / 7,100.48-9,800.37-4,117.97

Finding the Fourth Proportional to 7,100.48, 9,800.37 and 4,117.97

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Solution

The fourth proportional to 7,100.48, 9,800.37 and 4,117.97 is: 5,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.48 : 9,800.37 = 4,117.97 : x
  2. Step 2: Convert to fraction form
    7,100.48/9,800.37 = 4,117.97/x
  3. Step 3: Cross multiply
    7,100.48x = 9,800.37 × 4,117.97
  4. Step 4: Simplify right side
    7,100.48x = 40,357,654.15
  5. Step 5: Solve for x
    x = 40,357,654.15/7,100.48
  6. Step 6: Final answer
    x = 5,683.79

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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.