Home / 7,054.92-9,735.96-3,911.34

Finding the Fourth Proportional to 7,054.92, 9,735.96 and 3,911.34

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Solution

The fourth proportional to 7,054.92, 9,735.96 and 3,911.34 is: 5,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.92 : 9,735.96 = 3,911.34 : x
  2. Step 2: Convert to fraction form
    7,054.92/9,735.96 = 3,911.34/x
  3. Step 3: Cross multiply
    7,054.92x = 9,735.96 × 3,911.34
  4. Step 4: Simplify right side
    7,054.92x = 38,080,649.79
  5. Step 5: Solve for x
    x = 38,080,649.79/7,054.92
  6. Step 6: Final answer
    x = 5,397.74

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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.