Home / 2,317.13-3,474.63-929.30

Finding the Fourth Proportional to 2,317.13, 3,474.63 and 929.30

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Solution

The fourth proportional to 2,317.13, 3,474.63 and 929.30 is: 1,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.13 : 3,474.63 = 929.30 : x
  2. Step 2: Convert to fraction form
    2,317.13/3,474.63 = 929.30/x
  3. Step 3: Cross multiply
    2,317.13x = 3,474.63 × 929.30
  4. Step 4: Simplify right side
    2,317.13x = 3,228,973.66
  5. Step 5: Solve for x
    x = 3,228,973.66/2,317.13
  6. Step 6: Final answer
    x = 1,393.52

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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.