Home / 3,509.51-4,842.99-1,937.57

Finding the Fourth Proportional to 3,509.51, 4,842.99 and 1,937.57

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Solution

The fourth proportional to 3,509.51, 4,842.99 and 1,937.57 is: 2,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.51 : 4,842.99 = 1,937.57 : x
  2. Step 2: Convert to fraction form
    3,509.51/4,842.99 = 1,937.57/x
  3. Step 3: Cross multiply
    3,509.51x = 4,842.99 × 1,937.57
  4. Step 4: Simplify right side
    3,509.51x = 9,383,607.92
  5. Step 5: Solve for x
    x = 9,383,607.92/3,509.51
  6. Step 6: Final answer
    x = 2,673.77

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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.