Home / 1,542.63-2,125.73-1,364.22

Finding the Fourth Proportional to 1,542.63, 2,125.73 and 1,364.22

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Solution

The fourth proportional to 1,542.63, 2,125.73 and 1,364.22 is: 1,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.63 : 2,125.73 = 1,364.22 : x
  2. Step 2: Convert to fraction form
    1,542.63/2,125.73 = 1,364.22/x
  3. Step 3: Cross multiply
    1,542.63x = 2,125.73 × 1,364.22
  4. Step 4: Simplify right side
    1,542.63x = 2,899,956.56
  5. Step 5: Solve for x
    x = 2,899,956.56/1,542.63
  6. Step 6: Final answer
    x = 1,879.88

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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.