Home / 2,309.13-3,182.48-1,748.26

Finding the Fourth Proportional to 2,309.13, 3,182.48 and 1,748.26

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Solution

The fourth proportional to 2,309.13, 3,182.48 and 1,748.26 is: 2,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.13 : 3,182.48 = 1,748.26 : x
  2. Step 2: Convert to fraction form
    2,309.13/3,182.48 = 1,748.26/x
  3. Step 3: Cross multiply
    2,309.13x = 3,182.48 × 1,748.26
  4. Step 4: Simplify right side
    2,309.13x = 5,563,784.39
  5. Step 5: Solve for x
    x = 5,563,784.39/2,309.13
  6. Step 6: Final answer
    x = 2,409.47

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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.