Home / 5,286.20-7,298.52-4,724.88

Finding the Fourth Proportional to 5,286.20, 7,298.52 and 4,724.88

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Solution

The fourth proportional to 5,286.20, 7,298.52 and 4,724.88 is: 6,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.20 : 7,298.52 = 4,724.88 : x
  2. Step 2: Convert to fraction form
    5,286.20/7,298.52 = 4,724.88/x
  3. Step 3: Cross multiply
    5,286.20x = 7,298.52 × 4,724.88
  4. Step 4: Simplify right side
    5,286.20x = 34,484,631.18
  5. Step 5: Solve for x
    x = 34,484,631.18/5,286.20
  6. Step 6: Final answer
    x = 6,523.52

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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.