Home / 2,291.38-3,164.04-1,453.57

Finding the Fourth Proportional to 2,291.38, 3,164.04 and 1,453.57

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Solution

The fourth proportional to 2,291.38, 3,164.04 and 1,453.57 is: 2,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.38 : 3,164.04 = 1,453.57 : x
  2. Step 2: Convert to fraction form
    2,291.38/3,164.04 = 1,453.57/x
  3. Step 3: Cross multiply
    2,291.38x = 3,164.04 × 1,453.57
  4. Step 4: Simplify right side
    2,291.38x = 4,599,130.53
  5. Step 5: Solve for x
    x = 4,599,130.53/2,291.38
  6. Step 6: Final answer
    x = 2,007.15

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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.