Home / 3,097.67-4,644.95-1,123.21

Finding the Fourth Proportional to 3,097.67, 4,644.95 and 1,123.21

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Solution

The fourth proportional to 3,097.67, 4,644.95 and 1,123.21 is: 1,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.67 : 4,644.95 = 1,123.21 : x
  2. Step 2: Convert to fraction form
    3,097.67/4,644.95 = 1,123.21/x
  3. Step 3: Cross multiply
    3,097.67x = 4,644.95 × 1,123.21
  4. Step 4: Simplify right side
    3,097.67x = 5,217,268.71
  5. Step 5: Solve for x
    x = 5,217,268.71/3,097.67
  6. Step 6: Final answer
    x = 1,684.26

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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.