Home / 1,590.63-2,195.67-1,066.96

Finding the Fourth Proportional to 1,590.63, 2,195.67 and 1,066.96

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Solution

The fourth proportional to 1,590.63, 2,195.67 and 1,066.96 is: 1,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.63 : 2,195.67 = 1,066.96 : x
  2. Step 2: Convert to fraction form
    1,590.63/2,195.67 = 1,066.96/x
  3. Step 3: Cross multiply
    1,590.63x = 2,195.67 × 1,066.96
  4. Step 4: Simplify right side
    1,590.63x = 2,342,692.06
  5. Step 5: Solve for x
    x = 2,342,692.06/1,590.63
  6. Step 6: Final answer
    x = 1,472.81

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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.