Home / 1,897.20-2,618.06-1,058.00

Finding the Fourth Proportional to 1,897.20, 2,618.06 and 1,058.00

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Solution

The fourth proportional to 1,897.20, 2,618.06 and 1,058.00 is: 1,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.20 : 2,618.06 = 1,058.00 : x
  2. Step 2: Convert to fraction form
    1,897.20/2,618.06 = 1,058.00/x
  3. Step 3: Cross multiply
    1,897.20x = 2,618.06 × 1,058.00
  4. Step 4: Simplify right side
    1,897.20x = 2,769,889.10
  5. Step 5: Solve for x
    x = 2,769,889.10/1,897.20
  6. Step 6: Final answer
    x = 1,459.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.