Home / 2,036.34-2,811.51-1,372.95

Finding the Fourth Proportional to 2,036.34, 2,811.51 and 1,372.95

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Solution

The fourth proportional to 2,036.34, 2,811.51 and 1,372.95 is: 1,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.34 : 2,811.51 = 1,372.95 : x
  2. Step 2: Convert to fraction form
    2,036.34/2,811.51 = 1,372.95/x
  3. Step 3: Cross multiply
    2,036.34x = 2,811.51 × 1,372.95
  4. Step 4: Simplify right side
    2,036.34x = 3,860,062.65
  5. Step 5: Solve for x
    x = 3,860,062.65/2,036.34
  6. Step 6: Final answer
    x = 1,895.59

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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.