Home / 1,590.05-2,193.95-1,092.51

Finding the Fourth Proportional to 1,590.05, 2,193.95 and 1,092.51

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Solution

The fourth proportional to 1,590.05, 2,193.95 and 1,092.51 is: 1,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.05 : 2,193.95 = 1,092.51 : x
  2. Step 2: Convert to fraction form
    1,590.05/2,193.95 = 1,092.51/x
  3. Step 3: Cross multiply
    1,590.05x = 2,193.95 × 1,092.51
  4. Step 4: Simplify right side
    1,590.05x = 2,396,906.85
  5. Step 5: Solve for x
    x = 2,396,906.85/1,590.05
  6. Step 6: Final answer
    x = 1,507.45

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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.