Home / 7,082.20-9,768.28-4,841.74

Finding the Fourth Proportional to 7,082.20, 9,768.28 and 4,841.74

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Solution

The fourth proportional to 7,082.20, 9,768.28 and 4,841.74 is: 6,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.20 : 9,768.28 = 4,841.74 : x
  2. Step 2: Convert to fraction form
    7,082.20/9,768.28 = 4,841.74/x
  3. Step 3: Cross multiply
    7,082.20x = 9,768.28 × 4,841.74
  4. Step 4: Simplify right side
    7,082.20x = 47,295,398.96
  5. Step 5: Solve for x
    x = 47,295,398.96/7,082.20
  6. Step 6: Final answer
    x = 6,678.07

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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.