Home / 4,931.12-7,406.63-2,960.49

Finding the Fourth Proportional to 4,931.12, 7,406.63 and 2,960.49

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Solution

The fourth proportional to 4,931.12, 7,406.63 and 2,960.49 is: 4,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.12 : 7,406.63 = 2,960.49 : x
  2. Step 2: Convert to fraction form
    4,931.12/7,406.63 = 2,960.49/x
  3. Step 3: Cross multiply
    4,931.12x = 7,406.63 × 2,960.49
  4. Step 4: Simplify right side
    4,931.12x = 21,927,278.12
  5. Step 5: Solve for x
    x = 21,927,278.12/4,931.12
  6. Step 6: Final answer
    x = 4,446.72

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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.