Home / 2,012.04-2,776.14-1,127.76

Finding the Fourth Proportional to 2,012.04, 2,776.14 and 1,127.76

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Solution

The fourth proportional to 2,012.04, 2,776.14 and 1,127.76 is: 1,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.04 : 2,776.14 = 1,127.76 : x
  2. Step 2: Convert to fraction form
    2,012.04/2,776.14 = 1,127.76/x
  3. Step 3: Cross multiply
    2,012.04x = 2,776.14 × 1,127.76
  4. Step 4: Simplify right side
    2,012.04x = 3,130,819.65
  5. Step 5: Solve for x
    x = 3,130,819.65/2,012.04
  6. Step 6: Final answer
    x = 1,556.04

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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.