Home / 2,368.49-3,268.55-1,306.30

Finding the Fourth Proportional to 2,368.49, 3,268.55 and 1,306.30

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Solution

The fourth proportional to 2,368.49, 3,268.55 and 1,306.30 is: 1,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.49 : 3,268.55 = 1,306.30 : x
  2. Step 2: Convert to fraction form
    2,368.49/3,268.55 = 1,306.30/x
  3. Step 3: Cross multiply
    2,368.49x = 3,268.55 × 1,306.30
  4. Step 4: Simplify right side
    2,368.49x = 4,269,714.22
  5. Step 5: Solve for x
    x = 4,269,714.22/2,368.49
  6. Step 6: Final answer
    x = 1,802.71

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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.