Home / 5,917.68-8,172.48-4,913.03

Finding the Fourth Proportional to 5,917.68, 8,172.48 and 4,913.03

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Solution

The fourth proportional to 5,917.68, 8,172.48 and 4,913.03 is: 6,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.68 : 8,172.48 = 4,913.03 : x
  2. Step 2: Convert to fraction form
    5,917.68/8,172.48 = 4,913.03/x
  3. Step 3: Cross multiply
    5,917.68x = 8,172.48 × 4,913.03
  4. Step 4: Simplify right side
    5,917.68x = 40,151,649.13
  5. Step 5: Solve for x
    x = 40,151,649.13/5,917.68
  6. Step 6: Final answer
    x = 6,785.03

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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.