Home / 7,334.16-10,120.96-4,190.08

Finding the Fourth Proportional to 7,334.16, 10,120.96 and 4,190.08

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Solution

The fourth proportional to 7,334.16, 10,120.96 and 4,190.08 is: 5,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.16 : 10,120.96 = 4,190.08 : x
  2. Step 2: Convert to fraction form
    7,334.16/10,120.96 = 4,190.08/x
  3. Step 3: Cross multiply
    7,334.16x = 10,120.96 × 4,190.08
  4. Step 4: Simplify right side
    7,334.16x = 42,407,632.08
  5. Step 5: Solve for x
    x = 42,407,632.08/7,334.16
  6. Step 6: Final answer
    x = 5,782.21

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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.