Home / 6,079.12-8,390.58-5,082.68

Finding the Fourth Proportional to 6,079.12, 8,390.58 and 5,082.68

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Solution

The fourth proportional to 6,079.12, 8,390.58 and 5,082.68 is: 7,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.12 : 8,390.58 = 5,082.68 : x
  2. Step 2: Convert to fraction form
    6,079.12/8,390.58 = 5,082.68/x
  3. Step 3: Cross multiply
    6,079.12x = 8,390.58 × 5,082.68
  4. Step 4: Simplify right side
    6,079.12x = 42,646,633.15
  5. Step 5: Solve for x
    x = 42,646,633.15/6,079.12
  6. Step 6: Final answer
    x = 7,015.26

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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.