Home / 3,130.44-4,320.14-1,733.19

Finding the Fourth Proportional to 3,130.44, 4,320.14 and 1,733.19

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Solution

The fourth proportional to 3,130.44, 4,320.14 and 1,733.19 is: 2,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.44 : 4,320.14 = 1,733.19 : x
  2. Step 2: Convert to fraction form
    3,130.44/4,320.14 = 1,733.19/x
  3. Step 3: Cross multiply
    3,130.44x = 4,320.14 × 1,733.19
  4. Step 4: Simplify right side
    3,130.44x = 7,487,610.48
  5. Step 5: Solve for x
    x = 7,487,610.48/3,130.44
  6. Step 6: Final answer
    x = 2,391.87

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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.