Home / 4,587.87-6,880.77-2,121.34

Finding the Fourth Proportional to 4,587.87, 6,880.77 and 2,121.34

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Solution

The fourth proportional to 4,587.87, 6,880.77 and 2,121.34 is: 3,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.87 : 6,880.77 = 2,121.34 : x
  2. Step 2: Convert to fraction form
    4,587.87/6,880.77 = 2,121.34/x
  3. Step 3: Cross multiply
    4,587.87x = 6,880.77 × 2,121.34
  4. Step 4: Simplify right side
    4,587.87x = 14,596,452.63
  5. Step 5: Solve for x
    x = 14,596,452.63/4,587.87
  6. Step 6: Final answer
    x = 3,181.53

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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.