Home / 2,968.68-4,427.93-2,797.36

Finding the Fourth Proportional to 2,968.68, 4,427.93 and 2,797.36

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Solution

The fourth proportional to 2,968.68, 4,427.93 and 2,797.36 is: 4,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.68 : 4,427.93 = 2,797.36 : x
  2. Step 2: Convert to fraction form
    2,968.68/4,427.93 = 2,797.36/x
  3. Step 3: Cross multiply
    2,968.68x = 4,427.93 × 2,797.36
  4. Step 4: Simplify right side
    2,968.68x = 12,386,514.26
  5. Step 5: Solve for x
    x = 12,386,514.26/2,968.68
  6. Step 6: Final answer
    x = 4,172.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.