Home / 2,660.96-3,672.54-2,030.28

Finding the Fourth Proportional to 2,660.96, 3,672.54 and 2,030.28

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Solution

The fourth proportional to 2,660.96, 3,672.54 and 2,030.28 is: 2,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.96 : 3,672.54 = 2,030.28 : x
  2. Step 2: Convert to fraction form
    2,660.96/3,672.54 = 2,030.28/x
  3. Step 3: Cross multiply
    2,660.96x = 3,672.54 × 2,030.28
  4. Step 4: Simplify right side
    2,660.96x = 7,456,284.51
  5. Step 5: Solve for x
    x = 7,456,284.51/2,660.96
  6. Step 6: Final answer
    x = 2,802.11

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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.