Home / 2,053.12-2,833.20-1,121.44

Finding the Fourth Proportional to 2,053.12, 2,833.20 and 1,121.44

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Solution

The fourth proportional to 2,053.12, 2,833.20 and 1,121.44 is: 1,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.12 : 2,833.20 = 1,121.44 : x
  2. Step 2: Convert to fraction form
    2,053.12/2,833.20 = 1,121.44/x
  3. Step 3: Cross multiply
    2,053.12x = 2,833.20 × 1,121.44
  4. Step 4: Simplify right side
    2,053.12x = 3,177,263.81
  5. Step 5: Solve for x
    x = 3,177,263.81/2,053.12
  6. Step 6: Final answer
    x = 1,547.53

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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.