Home / 3,107.51-4,661.32-1,159.32

Finding the Fourth Proportional to 3,107.51, 4,661.32 and 1,159.32

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Solution

The fourth proportional to 3,107.51, 4,661.32 and 1,159.32 is: 1,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.51 : 4,661.32 = 1,159.32 : x
  2. Step 2: Convert to fraction form
    3,107.51/4,661.32 = 1,159.32/x
  3. Step 3: Cross multiply
    3,107.51x = 4,661.32 × 1,159.32
  4. Step 4: Simplify right side
    3,107.51x = 5,403,961.50
  5. Step 5: Solve for x
    x = 5,403,961.50/3,107.51
  6. Step 6: Final answer
    x = 1,739.00

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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.