Home / 4,872.85-7,312.51-1,794.85

Finding the Fourth Proportional to 4,872.85, 7,312.51 and 1,794.85

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Solution

The fourth proportional to 4,872.85, 7,312.51 and 1,794.85 is: 2,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.85 : 7,312.51 = 1,794.85 : x
  2. Step 2: Convert to fraction form
    4,872.85/7,312.51 = 1,794.85/x
  3. Step 3: Cross multiply
    4,872.85x = 7,312.51 × 1,794.85
  4. Step 4: Simplify right side
    4,872.85x = 13,124,858.57
  5. Step 5: Solve for x
    x = 13,124,858.57/4,872.85
  6. Step 6: Final answer
    x = 2,693.47

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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.