Home / 1,966.67-2,714.25-1,127.51

Finding the Fourth Proportional to 1,966.67, 2,714.25 and 1,127.51

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Solution

The fourth proportional to 1,966.67, 2,714.25 and 1,127.51 is: 1,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.67 : 2,714.25 = 1,127.51 : x
  2. Step 2: Convert to fraction form
    1,966.67/2,714.25 = 1,127.51/x
  3. Step 3: Cross multiply
    1,966.67x = 2,714.25 × 1,127.51
  4. Step 4: Simplify right side
    1,966.67x = 3,060,330.45
  5. Step 5: Solve for x
    x = 3,060,330.45/1,966.67
  6. Step 6: Final answer
    x = 1,556.10

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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.