Home / 2,396.04-3,587.94-1,909.80

Finding the Fourth Proportional to 2,396.04, 3,587.94 and 1,909.80

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Solution

The fourth proportional to 2,396.04, 3,587.94 and 1,909.80 is: 2,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.04 : 3,587.94 = 1,909.80 : x
  2. Step 2: Convert to fraction form
    2,396.04/3,587.94 = 1,909.80/x
  3. Step 3: Cross multiply
    2,396.04x = 3,587.94 × 1,909.80
  4. Step 4: Simplify right side
    2,396.04x = 6,852,247.81
  5. Step 5: Solve for x
    x = 6,852,247.81/2,396.04
  6. Step 6: Final answer
    x = 2,859.82

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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.