Home / 1,876.38-2,590.46-1,668.74

Finding the Fourth Proportional to 1,876.38, 2,590.46 and 1,668.74

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Solution

The fourth proportional to 1,876.38, 2,590.46 and 1,668.74 is: 2,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.38 : 2,590.46 = 1,668.74 : x
  2. Step 2: Convert to fraction form
    1,876.38/2,590.46 = 1,668.74/x
  3. Step 3: Cross multiply
    1,876.38x = 2,590.46 × 1,668.74
  4. Step 4: Simplify right side
    1,876.38x = 4,322,804.22
  5. Step 5: Solve for x
    x = 4,322,804.22/1,876.38
  6. Step 6: Final answer
    x = 2,303.80

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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.