Home / 1,590.06-2,193.92-1,001.37

Finding the Fourth Proportional to 1,590.06, 2,193.92 and 1,001.37

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Solution

The fourth proportional to 1,590.06, 2,193.92 and 1,001.37 is: 1,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.06 : 2,193.92 = 1,001.37 : x
  2. Step 2: Convert to fraction form
    1,590.06/2,193.92 = 1,001.37/x
  3. Step 3: Cross multiply
    1,590.06x = 2,193.92 × 1,001.37
  4. Step 4: Simplify right side
    1,590.06x = 2,196,920.66
  5. Step 5: Solve for x
    x = 2,196,920.66/1,590.06
  6. Step 6: Final answer
    x = 1,381.66

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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.