Home / 2,063.79-2,847.08-1,317.38

Finding the Fourth Proportional to 2,063.79, 2,847.08 and 1,317.38

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Solution

The fourth proportional to 2,063.79, 2,847.08 and 1,317.38 is: 1,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.79 : 2,847.08 = 1,317.38 : x
  2. Step 2: Convert to fraction form
    2,063.79/2,847.08 = 1,317.38/x
  3. Step 3: Cross multiply
    2,063.79x = 2,847.08 × 1,317.38
  4. Step 4: Simplify right side
    2,063.79x = 3,750,675.31
  5. Step 5: Solve for x
    x = 3,750,675.31/2,063.79
  6. Step 6: Final answer
    x = 1,817.37

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1.5x scale

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.