Home / 1,935.23-2,671.25-1,439.51

Finding the Fourth Proportional to 1,935.23, 2,671.25 and 1,439.51

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Solution

The fourth proportional to 1,935.23, 2,671.25 and 1,439.51 is: 1,986.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.23 : 2,671.25 = 1,439.51 : x
  2. Step 2: Convert to fraction form
    1,935.23/2,671.25 = 1,439.51/x
  3. Step 3: Cross multiply
    1,935.23x = 2,671.25 × 1,439.51
  4. Step 4: Simplify right side
    1,935.23x = 3,845,270.53
  5. Step 5: Solve for x
    x = 3,845,270.53/1,935.23
  6. Step 6: Final answer
    x = 1,986.99

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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.