Home / 4,977.66-7,466.40-4,202.64

Finding the Fourth Proportional to 4,977.66, 7,466.40 and 4,202.64

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Solution

The fourth proportional to 4,977.66, 7,466.40 and 4,202.64 is: 6,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.66 : 7,466.40 = 4,202.64 : x
  2. Step 2: Convert to fraction form
    4,977.66/7,466.40 = 4,202.64/x
  3. Step 3: Cross multiply
    4,977.66x = 7,466.40 × 4,202.64
  4. Step 4: Simplify right side
    4,977.66x = 31,378,591.30
  5. Step 5: Solve for x
    x = 31,378,591.30/4,977.66
  6. Step 6: Final answer
    x = 6,303.88

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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.