Home / 3,509.10-4,842.51-1,937.18

Finding the Fourth Proportional to 3,509.10, 4,842.51 and 1,937.18

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Solution

The fourth proportional to 3,509.10, 4,842.51 and 1,937.18 is: 2,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.10 : 4,842.51 = 1,937.18 : x
  2. Step 2: Convert to fraction form
    3,509.10/4,842.51 = 1,937.18/x
  3. Step 3: Cross multiply
    3,509.10x = 4,842.51 × 1,937.18
  4. Step 4: Simplify right side
    3,509.10x = 9,380,789.31
  5. Step 5: Solve for x
    x = 9,380,789.31/3,509.10
  6. Step 6: Final answer
    x = 2,673.28

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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.