Home / 2,475.81-3,693.85-2,291.29

Finding the Fourth Proportional to 2,475.81, 3,693.85 and 2,291.29

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Solution

The fourth proportional to 2,475.81, 3,693.85 and 2,291.29 is: 3,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.81 : 3,693.85 = 2,291.29 : x
  2. Step 2: Convert to fraction form
    2,475.81/3,693.85 = 2,291.29/x
  3. Step 3: Cross multiply
    2,475.81x = 3,693.85 × 2,291.29
  4. Step 4: Simplify right side
    2,475.81x = 8,463,666.60
  5. Step 5: Solve for x
    x = 8,463,666.60/2,475.81
  6. Step 6: Final answer
    x = 3,418.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.