Home / 17,890.90-26,837.85-4,743.10

Finding the Fourth Proportional to 17,890.90, 26,837.85 and 4,743.10

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Solution

The fourth proportional to 17,890.90, 26,837.85 and 4,743.10 is: 7,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.90 : 26,837.85 = 4,743.10 : x
  2. Step 2: Convert to fraction form
    17,890.90/26,837.85 = 4,743.10/x
  3. Step 3: Cross multiply
    17,890.90x = 26,837.85 × 4,743.10
  4. Step 4: Simplify right side
    17,890.90x = 127,294,606.34
  5. Step 5: Solve for x
    x = 127,294,606.34/17,890.90
  6. Step 6: Final answer
    x = 7,115.05

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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.