Home / 5,439.42-7,502.83-4,258.44

Finding the Fourth Proportional to 5,439.42, 7,502.83 and 4,258.44

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Solution

The fourth proportional to 5,439.42, 7,502.83 and 4,258.44 is: 5,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.42 : 7,502.83 = 4,258.44 : x
  2. Step 2: Convert to fraction form
    5,439.42/7,502.83 = 4,258.44/x
  3. Step 3: Cross multiply
    5,439.42x = 7,502.83 × 4,258.44
  4. Step 4: Simplify right side
    5,439.42x = 31,950,340.74
  5. Step 5: Solve for x
    x = 31,950,340.74/5,439.42
  6. Step 6: Final answer
    x = 5,873.85

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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.