Home / 1,939.77-2,677.86-1,232.34

Finding the Fourth Proportional to 1,939.77, 2,677.86 and 1,232.34

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Solution

The fourth proportional to 1,939.77, 2,677.86 and 1,232.34 is: 1,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.77 : 2,677.86 = 1,232.34 : x
  2. Step 2: Convert to fraction form
    1,939.77/2,677.86 = 1,232.34/x
  3. Step 3: Cross multiply
    1,939.77x = 2,677.86 × 1,232.34
  4. Step 4: Simplify right side
    1,939.77x = 3,300,033.99
  5. Step 5: Solve for x
    x = 3,300,033.99/1,939.77
  6. Step 6: Final answer
    x = 1,701.25

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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.