Home / 1,759.93-2,426.66-1,427.32

Finding the Fourth Proportional to 1,759.93, 2,426.66 and 1,427.32

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Solution

The fourth proportional to 1,759.93, 2,426.66 and 1,427.32 is: 1,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.93 : 2,426.66 = 1,427.32 : x
  2. Step 2: Convert to fraction form
    1,759.93/2,426.66 = 1,427.32/x
  3. Step 3: Cross multiply
    1,759.93x = 2,426.66 × 1,427.32
  4. Step 4: Simplify right side
    1,759.93x = 3,463,621.60
  5. Step 5: Solve for x
    x = 3,463,621.60/1,759.93
  6. Step 6: Final answer
    x = 1,968.05

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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.