Home / 1,937.85-2,886.26-1,928.41

Finding the Fourth Proportional to 1,937.85, 2,886.26 and 1,928.41

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Solution

The fourth proportional to 1,937.85, 2,886.26 and 1,928.41 is: 2,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.85 : 2,886.26 = 1,928.41 : x
  2. Step 2: Convert to fraction form
    1,937.85/2,886.26 = 1,928.41/x
  3. Step 3: Cross multiply
    1,937.85x = 2,886.26 × 1,928.41
  4. Step 4: Simplify right side
    1,937.85x = 5,565,875.79
  5. Step 5: Solve for x
    x = 5,565,875.79/1,937.85
  6. Step 6: Final answer
    x = 2,872.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.