Home / 1,590.32-2,196.48-1,092.14

Finding the Fourth Proportional to 1,590.32, 2,196.48 and 1,092.14

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Solution

The fourth proportional to 1,590.32, 2,196.48 and 1,092.14 is: 1,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.32 : 2,196.48 = 1,092.14 : x
  2. Step 2: Convert to fraction form
    1,590.32/2,196.48 = 1,092.14/x
  3. Step 3: Cross multiply
    1,590.32x = 2,196.48 × 1,092.14
  4. Step 4: Simplify right side
    1,590.32x = 2,398,863.67
  5. Step 5: Solve for x
    x = 2,398,863.67/1,590.32
  6. Step 6: Final answer
    x = 1,508.42

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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.