Home / 1,527.37-2,291.34-694.49

Finding the Fourth Proportional to 1,527.37, 2,291.34 and 694.49

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Solution

The fourth proportional to 1,527.37, 2,291.34 and 694.49 is: 1,041.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.37 : 2,291.34 = 694.49 : x
  2. Step 2: Convert to fraction form
    1,527.37/2,291.34 = 694.49/x
  3. Step 3: Cross multiply
    1,527.37x = 2,291.34 × 694.49
  4. Step 4: Simplify right side
    1,527.37x = 1,591,307.25
  5. Step 5: Solve for x
    x = 1,591,307.25/1,527.37
  6. Step 6: Final answer
    x = 1,041.86

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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.