Home / 6,371.28-9,551.47-2,420.32

Finding the Fourth Proportional to 6,371.28, 9,551.47 and 2,420.32

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Solution

The fourth proportional to 6,371.28, 9,551.47 and 2,420.32 is: 3,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.28 : 9,551.47 = 2,420.32 : x
  2. Step 2: Convert to fraction form
    6,371.28/9,551.47 = 2,420.32/x
  3. Step 3: Cross multiply
    6,371.28x = 9,551.47 × 2,420.32
  4. Step 4: Simplify right side
    6,371.28x = 23,117,613.87
  5. Step 5: Solve for x
    x = 23,117,613.87/6,371.28
  6. Step 6: Final answer
    x = 3,628.41

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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.