Home / 4,931.19-7,396.79-1,470.87

Finding the Fourth Proportional to 4,931.19, 7,396.79 and 1,470.87

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Solution

The fourth proportional to 4,931.19, 7,396.79 and 1,470.87 is: 2,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.19 : 7,396.79 = 1,470.87 : x
  2. Step 2: Convert to fraction form
    4,931.19/7,396.79 = 1,470.87/x
  3. Step 3: Cross multiply
    4,931.19x = 7,396.79 × 1,470.87
  4. Step 4: Simplify right side
    4,931.19x = 10,879,709.15
  5. Step 5: Solve for x
    x = 10,879,709.15/4,931.19
  6. Step 6: Final answer
    x = 2,206.31

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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.