Home / 1,524.80-2,103.32-1,126.08

Finding the Fourth Proportional to 1,524.80, 2,103.32 and 1,126.08

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Solution

The fourth proportional to 1,524.80, 2,103.32 and 1,126.08 is: 1,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.80 : 2,103.32 = 1,126.08 : x
  2. Step 2: Convert to fraction form
    1,524.80/2,103.32 = 1,126.08/x
  3. Step 3: Cross multiply
    1,524.80x = 2,103.32 × 1,126.08
  4. Step 4: Simplify right side
    1,524.80x = 2,368,506.59
  5. Step 5: Solve for x
    x = 2,368,506.59/1,524.80
  6. Step 6: Final answer
    x = 1,553.32

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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.