Home / 6,082.78-8,394.09-3,430.18

Finding the Fourth Proportional to 6,082.78, 8,394.09 and 3,430.18

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Solution

The fourth proportional to 6,082.78, 8,394.09 and 3,430.18 is: 4,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.78 : 8,394.09 = 3,430.18 : x
  2. Step 2: Convert to fraction form
    6,082.78/8,394.09 = 3,430.18/x
  3. Step 3: Cross multiply
    6,082.78x = 8,394.09 × 3,430.18
  4. Step 4: Simplify right side
    6,082.78x = 28,793,239.64
  5. Step 5: Solve for x
    x = 28,793,239.64/6,082.78
  6. Step 6: Final answer
    x = 4,733.57

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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.