Home / 1,722.47-2,376.14-1,058.27

Finding the Fourth Proportional to 1,722.47, 2,376.14 and 1,058.27

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Solution

The fourth proportional to 1,722.47, 2,376.14 and 1,058.27 is: 1,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.47 : 2,376.14 = 1,058.27 : x
  2. Step 2: Convert to fraction form
    1,722.47/2,376.14 = 1,058.27/x
  3. Step 3: Cross multiply
    1,722.47x = 2,376.14 × 1,058.27
  4. Step 4: Simplify right side
    1,722.47x = 2,514,580.51
  5. Step 5: Solve for x
    x = 2,514,580.51/1,722.47
  6. Step 6: Final answer
    x = 1,459.87

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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.