Home / 2,076.29-2,865.58-1,368.02

Finding the Fourth Proportional to 2,076.29, 2,865.58 and 1,368.02

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Solution

The fourth proportional to 2,076.29, 2,865.58 and 1,368.02 is: 1,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.29 : 2,865.58 = 1,368.02 : x
  2. Step 2: Convert to fraction form
    2,076.29/2,865.58 = 1,368.02/x
  3. Step 3: Cross multiply
    2,076.29x = 2,865.58 × 1,368.02
  4. Step 4: Simplify right side
    2,076.29x = 3,920,153.00
  5. Step 5: Solve for x
    x = 3,920,153.00/2,076.29
  6. Step 6: Final answer
    x = 1,888.06

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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.