Home / 3,025.76-4,175.09-1,699.21

Finding the Fourth Proportional to 3,025.76, 4,175.09 and 1,699.21

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Solution

The fourth proportional to 3,025.76, 4,175.09 and 1,699.21 is: 2,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.76 : 4,175.09 = 1,699.21 : x
  2. Step 2: Convert to fraction form
    3,025.76/4,175.09 = 1,699.21/x
  3. Step 3: Cross multiply
    3,025.76x = 4,175.09 × 1,699.21
  4. Step 4: Simplify right side
    3,025.76x = 7,094,325.31
  5. Step 5: Solve for x
    x = 7,094,325.31/3,025.76
  6. Step 6: Final answer
    x = 2,344.65

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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.