Home / 4,121.07-6,151.62-3,816.51

Finding the Fourth Proportional to 4,121.07, 6,151.62 and 3,816.51

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Solution

The fourth proportional to 4,121.07, 6,151.62 and 3,816.51 is: 5,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.07 : 6,151.62 = 3,816.51 : x
  2. Step 2: Convert to fraction form
    4,121.07/6,151.62 = 3,816.51/x
  3. Step 3: Cross multiply
    4,121.07x = 6,151.62 × 3,816.51
  4. Step 4: Simplify right side
    4,121.07x = 23,477,688.49
  5. Step 5: Solve for x
    x = 23,477,688.49/4,121.07
  6. Step 6: Final answer
    x = 5,697.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.