Home / 7,305.09-10,079.82-4,160.67

Finding the Fourth Proportional to 7,305.09, 10,079.82 and 4,160.67

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Solution

The fourth proportional to 7,305.09, 10,079.82 and 4,160.67 is: 5,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.09 : 10,079.82 = 4,160.67 : x
  2. Step 2: Convert to fraction form
    7,305.09/10,079.82 = 4,160.67/x
  3. Step 3: Cross multiply
    7,305.09x = 10,079.82 × 4,160.67
  4. Step 4: Simplify right side
    7,305.09x = 41,938,804.68
  5. Step 5: Solve for x
    x = 41,938,804.68/7,305.09
  6. Step 6: Final answer
    x = 5,741.04

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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.