Home / 1,406.93-1,943.08-1,252.32

Finding the Fourth Proportional to 1,406.93, 1,943.08 and 1,252.32

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Solution

The fourth proportional to 1,406.93, 1,943.08 and 1,252.32 is: 1,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.93 : 1,943.08 = 1,252.32 : x
  2. Step 2: Convert to fraction form
    1,406.93/1,943.08 = 1,252.32/x
  3. Step 3: Cross multiply
    1,406.93x = 1,943.08 × 1,252.32
  4. Step 4: Simplify right side
    1,406.93x = 2,433,351.68
  5. Step 5: Solve for x
    x = 2,433,351.68/1,406.93
  6. Step 6: Final answer
    x = 1,729.55

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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.