Home / 3,417.30-4,685.12-3,355.02

Finding the Fourth Proportional to 3,417.30, 4,685.12 and 3,355.02

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Solution

The fourth proportional to 3,417.30, 4,685.12 and 3,355.02 is: 4,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.30 : 4,685.12 = 3,355.02 : x
  2. Step 2: Convert to fraction form
    3,417.30/4,685.12 = 3,355.02/x
  3. Step 3: Cross multiply
    3,417.30x = 4,685.12 × 3,355.02
  4. Step 4: Simplify right side
    3,417.30x = 15,718,660.82
  5. Step 5: Solve for x
    x = 15,718,660.82/3,417.30
  6. Step 6: Final answer
    x = 4,599.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.