Home / 1,972.01-2,958.57-585.35

Finding the Fourth Proportional to 1,972.01, 2,958.57 and 585.35

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Solution

The fourth proportional to 1,972.01, 2,958.57 and 585.35 is: 878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.01 : 2,958.57 = 585.35 : x
  2. Step 2: Convert to fraction form
    1,972.01/2,958.57 = 585.35/x
  3. Step 3: Cross multiply
    1,972.01x = 2,958.57 × 585.35
  4. Step 4: Simplify right side
    1,972.01x = 1,731,784.16
  5. Step 5: Solve for x
    x = 1,731,784.16/1,972.01
  6. Step 6: Final answer
    x = 878.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.