Home / 4,880.24-7,307.88-2,686.56

Finding the Fourth Proportional to 4,880.24, 7,307.88 and 2,686.56

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Solution

The fourth proportional to 4,880.24, 7,307.88 and 2,686.56 is: 4,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.24 : 7,307.88 = 2,686.56 : x
  2. Step 2: Convert to fraction form
    4,880.24/7,307.88 = 2,686.56/x
  3. Step 3: Cross multiply
    4,880.24x = 7,307.88 × 2,686.56
  4. Step 4: Simplify right side
    4,880.24x = 19,633,058.09
  5. Step 5: Solve for x
    x = 19,633,058.09/4,880.24
  6. Step 6: Final answer
    x = 4,022.97

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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.