Home / 2,316.34-3,475.11-929.72

Finding the Fourth Proportional to 2,316.34, 3,475.11 and 929.72

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Solution

The fourth proportional to 2,316.34, 3,475.11 and 929.72 is: 1,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.34 : 3,475.11 = 929.72 : x
  2. Step 2: Convert to fraction form
    2,316.34/3,475.11 = 929.72/x
  3. Step 3: Cross multiply
    2,316.34x = 3,475.11 × 929.72
  4. Step 4: Simplify right side
    2,316.34x = 3,230,879.27
  5. Step 5: Solve for x
    x = 3,230,879.27/2,316.34
  6. Step 6: Final answer
    x = 1,394.82

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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.