Home / 2,116.64-2,920.39-1,232.33

Finding the Fourth Proportional to 2,116.64, 2,920.39 and 1,232.33

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Solution

The fourth proportional to 2,116.64, 2,920.39 and 1,232.33 is: 1,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.64 : 2,920.39 = 1,232.33 : x
  2. Step 2: Convert to fraction form
    2,116.64/2,920.39 = 1,232.33/x
  3. Step 3: Cross multiply
    2,116.64x = 2,920.39 × 1,232.33
  4. Step 4: Simplify right side
    2,116.64x = 3,598,866.53
  5. Step 5: Solve for x
    x = 3,598,866.53/2,116.64
  6. Step 6: Final answer
    x = 1,700.27

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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.