Home / 3,493.40-4,823.12-2,168.52

Finding the Fourth Proportional to 3,493.40, 4,823.12 and 2,168.52

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Solution

The fourth proportional to 3,493.40, 4,823.12 and 2,168.52 is: 2,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.40 : 4,823.12 = 2,168.52 : x
  2. Step 2: Convert to fraction form
    3,493.40/4,823.12 = 2,168.52/x
  3. Step 3: Cross multiply
    3,493.40x = 4,823.12 × 2,168.52
  4. Step 4: Simplify right side
    3,493.40x = 10,459,032.18
  5. Step 5: Solve for x
    x = 10,459,032.18/3,493.40
  6. Step 6: Final answer
    x = 2,993.94

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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.