Home / 5,919.63-8,172.36-4,324.68

Finding the Fourth Proportional to 5,919.63, 8,172.36 and 4,324.68

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Solution

The fourth proportional to 5,919.63, 8,172.36 and 4,324.68 is: 5,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.63 : 8,172.36 = 4,324.68 : x
  2. Step 2: Convert to fraction form
    5,919.63/8,172.36 = 4,324.68/x
  3. Step 3: Cross multiply
    5,919.63x = 8,172.36 × 4,324.68
  4. Step 4: Simplify right side
    5,919.63x = 35,342,841.84
  5. Step 5: Solve for x
    x = 35,342,841.84/5,919.63
  6. Step 6: Final answer
    x = 5,970.45

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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.