Home / 1,897.71-2,618.75-1,058.27

Finding the Fourth Proportional to 1,897.71, 2,618.75 and 1,058.27

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Solution

The fourth proportional to 1,897.71, 2,618.75 and 1,058.27 is: 1,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.71 : 2,618.75 = 1,058.27 : x
  2. Step 2: Convert to fraction form
    1,897.71/2,618.75 = 1,058.27/x
  3. Step 3: Cross multiply
    1,897.71x = 2,618.75 × 1,058.27
  4. Step 4: Simplify right side
    1,897.71x = 2,771,326.18
  5. Step 5: Solve for x
    x = 2,771,326.18/1,897.71
  6. Step 6: Final answer
    x = 1,460.35

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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.