Home / 3,455.10-4,771.98-2,281.41

Finding the Fourth Proportional to 3,455.10, 4,771.98 and 2,281.41

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Solution

The fourth proportional to 3,455.10, 4,771.98 and 2,281.41 is: 3,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.10 : 4,771.98 = 2,281.41 : x
  2. Step 2: Convert to fraction form
    3,455.10/4,771.98 = 2,281.41/x
  3. Step 3: Cross multiply
    3,455.10x = 4,771.98 × 2,281.41
  4. Step 4: Simplify right side
    3,455.10x = 10,886,842.89
  5. Step 5: Solve for x
    x = 10,886,842.89/3,455.10
  6. Step 6: Final answer
    x = 3,150.95

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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.