Home / 4,255.70-5,875.72-3,806.16

Finding the Fourth Proportional to 4,255.70, 5,875.72 and 3,806.16

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Solution

The fourth proportional to 4,255.70, 5,875.72 and 3,806.16 is: 5,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.70 : 5,875.72 = 3,806.16 : x
  2. Step 2: Convert to fraction form
    4,255.70/5,875.72 = 3,806.16/x
  3. Step 3: Cross multiply
    4,255.70x = 5,875.72 × 3,806.16
  4. Step 4: Simplify right side
    4,255.70x = 22,363,930.44
  5. Step 5: Solve for x
    x = 22,363,930.44/4,255.70
  6. Step 6: Final answer
    x = 5,255.05

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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.