Home / 1,507.24-2,245.49-1,433.80

Finding the Fourth Proportional to 1,507.24, 2,245.49 and 1,433.80

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Solution

The fourth proportional to 1,507.24, 2,245.49 and 1,433.80 is: 2,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.24 : 2,245.49 = 1,433.80 : x
  2. Step 2: Convert to fraction form
    1,507.24/2,245.49 = 1,433.80/x
  3. Step 3: Cross multiply
    1,507.24x = 2,245.49 × 1,433.80
  4. Step 4: Simplify right side
    1,507.24x = 3,219,583.56
  5. Step 5: Solve for x
    x = 3,219,583.56/1,507.24
  6. Step 6: Final answer
    x = 2,136.08

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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.