Home / 5,390.07-8,082.48-2,058.46

Finding the Fourth Proportional to 5,390.07, 8,082.48 and 2,058.46

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Solution

The fourth proportional to 5,390.07, 8,082.48 and 2,058.46 is: 3,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.07 : 8,082.48 = 2,058.46 : x
  2. Step 2: Convert to fraction form
    5,390.07/8,082.48 = 2,058.46/x
  3. Step 3: Cross multiply
    5,390.07x = 8,082.48 × 2,058.46
  4. Step 4: Simplify right side
    5,390.07x = 16,637,494.76
  5. Step 5: Solve for x
    x = 16,637,494.76/5,390.07
  6. Step 6: Final answer
    x = 3,086.69

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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.