Home / 3,919.03-5,899.93-3,574.58

Finding the Fourth Proportional to 3,919.03, 5,899.93 and 3,574.58

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Solution

The fourth proportional to 3,919.03, 5,899.93 and 3,574.58 is: 5,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.03 : 5,899.93 = 3,574.58 : x
  2. Step 2: Convert to fraction form
    3,919.03/5,899.93 = 3,574.58/x
  3. Step 3: Cross multiply
    3,919.03x = 5,899.93 × 3,574.58
  4. Step 4: Simplify right side
    3,919.03x = 21,089,737.70
  5. Step 5: Solve for x
    x = 21,089,737.70/3,919.03
  6. Step 6: Final answer
    x = 5,381.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.