Home / 6,971.28-10,460.64-3,078.48

Finding the Fourth Proportional to 6,971.28, 10,460.64 and 3,078.48

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Solution

The fourth proportional to 6,971.28, 10,460.64 and 3,078.48 is: 4,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.28 : 10,460.64 = 3,078.48 : x
  2. Step 2: Convert to fraction form
    6,971.28/10,460.64 = 3,078.48/x
  3. Step 3: Cross multiply
    6,971.28x = 10,460.64 × 3,078.48
  4. Step 4: Simplify right side
    6,971.28x = 32,202,871.03
  5. Step 5: Solve for x
    x = 32,202,871.03/6,971.28
  6. Step 6: Final answer
    x = 4,619.36

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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.