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Finding the Fourth Proportional to 4,595.76, 6,890.16 and 2,255.04

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Solution

The fourth proportional to 4,595.76, 6,890.16 and 2,255.04 is: 3,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,595.76 : 6,890.16 = 2,255.04 : x
  2. Step 2: Convert to fraction form
    4,595.76/6,890.16 = 2,255.04/x
  3. Step 3: Cross multiply
    4,595.76x = 6,890.16 × 2,255.04
  4. Step 4: Simplify right side
    4,595.76x = 15,537,586.41
  5. Step 5: Solve for x
    x = 15,537,586.41/4,595.76
  6. Step 6: Final answer
    x = 3,380.85

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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.