Home / 1,491.21-2,225.54-1,452.33

Finding the Fourth Proportional to 1,491.21, 2,225.54 and 1,452.33

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Solution

The fourth proportional to 1,491.21, 2,225.54 and 1,452.33 is: 2,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.21 : 2,225.54 = 1,452.33 : x
  2. Step 2: Convert to fraction form
    1,491.21/2,225.54 = 1,452.33/x
  3. Step 3: Cross multiply
    1,491.21x = 2,225.54 × 1,452.33
  4. Step 4: Simplify right side
    1,491.21x = 3,232,222.14
  5. Step 5: Solve for x
    x = 3,232,222.14/1,491.21
  6. Step 6: Final answer
    x = 2,167.52

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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.