Home / 2,395.13-3,305.07-1,347.12

Finding the Fourth Proportional to 2,395.13, 3,305.07 and 1,347.12

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Solution

The fourth proportional to 2,395.13, 3,305.07 and 1,347.12 is: 1,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.13 : 3,305.07 = 1,347.12 : x
  2. Step 2: Convert to fraction form
    2,395.13/3,305.07 = 1,347.12/x
  3. Step 3: Cross multiply
    2,395.13x = 3,305.07 × 1,347.12
  4. Step 4: Simplify right side
    2,395.13x = 4,452,325.90
  5. Step 5: Solve for x
    x = 4,452,325.90/2,395.13
  6. Step 6: Final answer
    x = 1,858.91

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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.