Home / 4,588.40-6,880.60-2,122.40

Finding the Fourth Proportional to 4,588.40, 6,880.60 and 2,122.40

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Solution

The fourth proportional to 4,588.40, 6,880.60 and 2,122.40 is: 3,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.40 : 6,880.60 = 2,122.40 : x
  2. Step 2: Convert to fraction form
    4,588.40/6,880.60 = 2,122.40/x
  3. Step 3: Cross multiply
    4,588.40x = 6,880.60 × 2,122.40
  4. Step 4: Simplify right side
    4,588.40x = 14,603,385.44
  5. Step 5: Solve for x
    x = 14,603,385.44/4,588.40
  6. Step 6: Final answer
    x = 3,182.67

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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.