Home / 1,732.08-2,389.80-1,023.72

Finding the Fourth Proportional to 1,732.08, 2,389.80 and 1,023.72

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Solution

The fourth proportional to 1,732.08, 2,389.80 and 1,023.72 is: 1,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.08 : 2,389.80 = 1,023.72 : x
  2. Step 2: Convert to fraction form
    1,732.08/2,389.80 = 1,023.72/x
  3. Step 3: Cross multiply
    1,732.08x = 2,389.80 × 1,023.72
  4. Step 4: Simplify right side
    1,732.08x = 2,446,486.06
  5. Step 5: Solve for x
    x = 2,446,486.06/1,732.08
  6. Step 6: Final answer
    x = 1,412.46

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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.