Home / 6,082.20-9,123.30-3,485.40

Finding the Fourth Proportional to 6,082.20, 9,123.30 and 3,485.40

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Solution

The fourth proportional to 6,082.20, 9,123.30 and 3,485.40 is: 5,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.20 : 9,123.30 = 3,485.40 : x
  2. Step 2: Convert to fraction form
    6,082.20/9,123.30 = 3,485.40/x
  3. Step 3: Cross multiply
    6,082.20x = 9,123.30 × 3,485.40
  4. Step 4: Simplify right side
    6,082.20x = 31,798,349.82
  5. Step 5: Solve for x
    x = 31,798,349.82/6,082.20
  6. Step 6: Final answer
    x = 5,228.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.