Home / 4,880.58-7,319.45-2,800.23

Finding the Fourth Proportional to 4,880.58, 7,319.45 and 2,800.23

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Solution

The fourth proportional to 4,880.58, 7,319.45 and 2,800.23 is: 4,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.58 : 7,319.45 = 2,800.23 : x
  2. Step 2: Convert to fraction form
    4,880.58/7,319.45 = 2,800.23/x
  3. Step 3: Cross multiply
    4,880.58x = 7,319.45 × 2,800.23
  4. Step 4: Simplify right side
    4,880.58x = 20,496,150.47
  5. Step 5: Solve for x
    x = 20,496,150.47/4,880.58
  6. Step 6: Final answer
    x = 4,199.53

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Double scale
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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.