Home / 6,515.51-8,990.96-3,683.03

Finding the Fourth Proportional to 6,515.51, 8,990.96 and 3,683.03

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Solution

The fourth proportional to 6,515.51, 8,990.96 and 3,683.03 is: 5,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.51 : 8,990.96 = 3,683.03 : x
  2. Step 2: Convert to fraction form
    6,515.51/8,990.96 = 3,683.03/x
  3. Step 3: Cross multiply
    6,515.51x = 8,990.96 × 3,683.03
  4. Step 4: Simplify right side
    6,515.51x = 33,113,912.04
  5. Step 5: Solve for x
    x = 33,113,912.04/6,515.51
  6. Step 6: Final answer
    x = 5,082.32

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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.