Home / 5,696.40-7,860.84-3,340.10

Finding the Fourth Proportional to 5,696.40, 7,860.84 and 3,340.10

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Solution

The fourth proportional to 5,696.40, 7,860.84 and 3,340.10 is: 4,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.40 : 7,860.84 = 3,340.10 : x
  2. Step 2: Convert to fraction form
    5,696.40/7,860.84 = 3,340.10/x
  3. Step 3: Cross multiply
    5,696.40x = 7,860.84 × 3,340.10
  4. Step 4: Simplify right side
    5,696.40x = 26,255,991.68
  5. Step 5: Solve for x
    x = 26,255,991.68/5,696.40
  6. Step 6: Final answer
    x = 4,609.23

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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.