Home / 2,370.43-3,548.75-1,380.23

Finding the Fourth Proportional to 2,370.43, 3,548.75 and 1,380.23

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Solution

The fourth proportional to 2,370.43, 3,548.75 and 1,380.23 is: 2,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.43 : 3,548.75 = 1,380.23 : x
  2. Step 2: Convert to fraction form
    2,370.43/3,548.75 = 1,380.23/x
  3. Step 3: Cross multiply
    2,370.43x = 3,548.75 × 1,380.23
  4. Step 4: Simplify right side
    2,370.43x = 4,898,085.79
  5. Step 5: Solve for x
    x = 4,898,085.79/2,370.43
  6. Step 6: Final answer
    x = 2,066.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.