Home / 4,927.41-7,392.30-1,640.54

Finding the Fourth Proportional to 4,927.41, 7,392.30 and 1,640.54

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Solution

The fourth proportional to 4,927.41, 7,392.30 and 1,640.54 is: 2,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.41 : 7,392.30 = 1,640.54 : x
  2. Step 2: Convert to fraction form
    4,927.41/7,392.30 = 1,640.54/x
  3. Step 3: Cross multiply
    4,927.41x = 7,392.30 × 1,640.54
  4. Step 4: Simplify right side
    4,927.41x = 12,127,326.88
  5. Step 5: Solve for x
    x = 12,127,326.88/4,927.41
  6. Step 6: Final answer
    x = 2,461.20

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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.