Home / 2,095.40-2,891.58-1,211.34

Finding the Fourth Proportional to 2,095.40, 2,891.58 and 1,211.34

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Solution

The fourth proportional to 2,095.40, 2,891.58 and 1,211.34 is: 1,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.40 : 2,891.58 = 1,211.34 : x
  2. Step 2: Convert to fraction form
    2,095.40/2,891.58 = 1,211.34/x
  3. Step 3: Cross multiply
    2,095.40x = 2,891.58 × 1,211.34
  4. Step 4: Simplify right side
    2,095.40x = 3,502,686.52
  5. Step 5: Solve for x
    x = 3,502,686.52/2,095.40
  6. Step 6: Final answer
    x = 1,671.61

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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.