Home / 2,133.96-2,944.43-1,347.57

Finding the Fourth Proportional to 2,133.96, 2,944.43 and 1,347.57

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Solution

The fourth proportional to 2,133.96, 2,944.43 and 1,347.57 is: 1,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.96 : 2,944.43 = 1,347.57 : x
  2. Step 2: Convert to fraction form
    2,133.96/2,944.43 = 1,347.57/x
  3. Step 3: Cross multiply
    2,133.96x = 2,944.43 × 1,347.57
  4. Step 4: Simplify right side
    2,133.96x = 3,967,818.80
  5. Step 5: Solve for x
    x = 3,967,818.80/2,133.96
  6. Step 6: Final answer
    x = 1,859.37

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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.