Home / 1,533.78-2,117.16-1,514.34

Finding the Fourth Proportional to 1,533.78, 2,117.16 and 1,514.34

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Solution

The fourth proportional to 1,533.78, 2,117.16 and 1,514.34 is: 2,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.78 : 2,117.16 = 1,514.34 : x
  2. Step 2: Convert to fraction form
    1,533.78/2,117.16 = 1,514.34/x
  3. Step 3: Cross multiply
    1,533.78x = 2,117.16 × 1,514.34
  4. Step 4: Simplify right side
    1,533.78x = 3,206,100.07
  5. Step 5: Solve for x
    x = 3,206,100.07/1,533.78
  6. Step 6: Final answer
    x = 2,090.33

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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.