Home / 1,568.97-2,164.14-1,010.15

Finding the Fourth Proportional to 1,568.97, 2,164.14 and 1,010.15

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Solution

The fourth proportional to 1,568.97, 2,164.14 and 1,010.15 is: 1,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.97 : 2,164.14 = 1,010.15 : x
  2. Step 2: Convert to fraction form
    1,568.97/2,164.14 = 1,010.15/x
  3. Step 3: Cross multiply
    1,568.97x = 2,164.14 × 1,010.15
  4. Step 4: Simplify right side
    1,568.97x = 2,186,095.20
  5. Step 5: Solve for x
    x = 2,186,095.20/1,568.97
  6. Step 6: Final answer
    x = 1,393.33

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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.