Home / 1,475.52-2,033.98-1,213.08

Finding the Fourth Proportional to 1,475.52, 2,033.98 and 1,213.08

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Solution

The fourth proportional to 1,475.52, 2,033.98 and 1,213.08 is: 1,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.52 : 2,033.98 = 1,213.08 : x
  2. Step 2: Convert to fraction form
    1,475.52/2,033.98 = 1,213.08/x
  3. Step 3: Cross multiply
    1,475.52x = 2,033.98 × 1,213.08
  4. Step 4: Simplify right side
    1,475.52x = 2,467,380.46
  5. Step 5: Solve for x
    x = 2,467,380.46/1,475.52
  6. Step 6: Final answer
    x = 1,672.21

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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.