Home / 3,119.23-4,654.30-3,013.53

Finding the Fourth Proportional to 3,119.23, 4,654.30 and 3,013.53

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Solution

The fourth proportional to 3,119.23, 4,654.30 and 3,013.53 is: 4,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.23 : 4,654.30 = 3,013.53 : x
  2. Step 2: Convert to fraction form
    3,119.23/4,654.30 = 3,013.53/x
  3. Step 3: Cross multiply
    3,119.23x = 4,654.30 × 3,013.53
  4. Step 4: Simplify right side
    3,119.23x = 14,025,858.99
  5. Step 5: Solve for x
    x = 14,025,858.99/3,119.23
  6. Step 6: Final answer
    x = 4,496.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.