Home / 5,476.85-7,558.06-3,118.99

Finding the Fourth Proportional to 5,476.85, 7,558.06 and 3,118.99

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Solution

The fourth proportional to 5,476.85, 7,558.06 and 3,118.99 is: 4,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.85 : 7,558.06 = 3,118.99 : x
  2. Step 2: Convert to fraction form
    5,476.85/7,558.06 = 3,118.99/x
  3. Step 3: Cross multiply
    5,476.85x = 7,558.06 × 3,118.99
  4. Step 4: Simplify right side
    5,476.85x = 23,573,513.56
  5. Step 5: Solve for x
    x = 23,573,513.56/5,476.85
  6. Step 6: Final answer
    x = 4,304.21

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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.