Home / 5,637.46-8,456.38-1,939.66

Finding the Fourth Proportional to 5,637.46, 8,456.38 and 1,939.66

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Solution

The fourth proportional to 5,637.46, 8,456.38 and 1,939.66 is: 2,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.46 : 8,456.38 = 1,939.66 : x
  2. Step 2: Convert to fraction form
    5,637.46/8,456.38 = 1,939.66/x
  3. Step 3: Cross multiply
    5,637.46x = 8,456.38 × 1,939.66
  4. Step 4: Simplify right side
    5,637.46x = 16,402,502.03
  5. Step 5: Solve for x
    x = 16,402,502.03/5,637.46
  6. Step 6: Final answer
    x = 2,909.56

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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.