Home / 3,335.28-4,603.68-2,216.40

Finding the Fourth Proportional to 3,335.28, 4,603.68 and 2,216.40

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Solution

The fourth proportional to 3,335.28, 4,603.68 and 2,216.40 is: 3,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.28 : 4,603.68 = 2,216.40 : x
  2. Step 2: Convert to fraction form
    3,335.28/4,603.68 = 2,216.40/x
  3. Step 3: Cross multiply
    3,335.28x = 4,603.68 × 2,216.40
  4. Step 4: Simplify right side
    3,335.28x = 10,203,596.35
  5. Step 5: Solve for x
    x = 10,203,596.35/3,335.28
  6. Step 6: Final answer
    x = 3,059.29

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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.