Home / 2,705.65-4,056.72-1,062.36

Finding the Fourth Proportional to 2,705.65, 4,056.72 and 1,062.36

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Solution

The fourth proportional to 2,705.65, 4,056.72 and 1,062.36 is: 1,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.65 : 4,056.72 = 1,062.36 : x
  2. Step 2: Convert to fraction form
    2,705.65/4,056.72 = 1,062.36/x
  3. Step 3: Cross multiply
    2,705.65x = 4,056.72 × 1,062.36
  4. Step 4: Simplify right side
    2,705.65x = 4,309,697.06
  5. Step 5: Solve for x
    x = 4,309,697.06/2,705.65
  6. Step 6: Final answer
    x = 1,592.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.