Home / 1,670.62-2,306.50-1,073.35

Finding the Fourth Proportional to 1,670.62, 2,306.50 and 1,073.35

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Solution

The fourth proportional to 1,670.62, 2,306.50 and 1,073.35 is: 1,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.62 : 2,306.50 = 1,073.35 : x
  2. Step 2: Convert to fraction form
    1,670.62/2,306.50 = 1,073.35/x
  3. Step 3: Cross multiply
    1,670.62x = 2,306.50 × 1,073.35
  4. Step 4: Simplify right side
    1,670.62x = 2,475,681.78
  5. Step 5: Solve for x
    x = 2,475,681.78/1,670.62
  6. Step 6: Final answer
    x = 1,481.89

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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.