Home / 2,053.01-2,833.14-1,121.51

Finding the Fourth Proportional to 2,053.01, 2,833.14 and 1,121.51

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Solution

The fourth proportional to 2,053.01, 2,833.14 and 1,121.51 is: 1,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.01 : 2,833.14 = 1,121.51 : x
  2. Step 2: Convert to fraction form
    2,053.01/2,833.14 = 1,121.51/x
  3. Step 3: Cross multiply
    2,053.01x = 2,833.14 × 1,121.51
  4. Step 4: Simplify right side
    2,053.01x = 3,177,380.68
  5. Step 5: Solve for x
    x = 3,177,380.68/2,053.01
  6. Step 6: Final answer
    x = 1,547.67

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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.