Home / 5,880.57-8,112.87-3,785.91

Finding the Fourth Proportional to 5,880.57, 8,112.87 and 3,785.91

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Solution

The fourth proportional to 5,880.57, 8,112.87 and 3,785.91 is: 5,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.57 : 8,112.87 = 3,785.91 : x
  2. Step 2: Convert to fraction form
    5,880.57/8,112.87 = 3,785.91/x
  3. Step 3: Cross multiply
    5,880.57x = 8,112.87 × 3,785.91
  4. Step 4: Simplify right side
    5,880.57x = 30,714,595.66
  5. Step 5: Solve for x
    x = 30,714,595.66/5,880.57
  6. Step 6: Final answer
    x = 5,223.06

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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.