Home / 1,743.53-2,405.70-1,324.35

Finding the Fourth Proportional to 1,743.53, 2,405.70 and 1,324.35

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Solution

The fourth proportional to 1,743.53, 2,405.70 and 1,324.35 is: 1,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.53 : 2,405.70 = 1,324.35 : x
  2. Step 2: Convert to fraction form
    1,743.53/2,405.70 = 1,324.35/x
  3. Step 3: Cross multiply
    1,743.53x = 2,405.70 × 1,324.35
  4. Step 4: Simplify right side
    1,743.53x = 3,185,988.80
  5. Step 5: Solve for x
    x = 3,185,988.80/1,743.53
  6. Step 6: Final answer
    x = 1,827.33

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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.