Home / 4,931.42-7,397.19-1,644.51

Finding the Fourth Proportional to 4,931.42, 7,397.19 and 1,644.51

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Solution

The fourth proportional to 4,931.42, 7,397.19 and 1,644.51 is: 2,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.42 : 7,397.19 = 1,644.51 : x
  2. Step 2: Convert to fraction form
    4,931.42/7,397.19 = 1,644.51/x
  3. Step 3: Cross multiply
    4,931.42x = 7,397.19 × 1,644.51
  4. Step 4: Simplify right side
    4,931.42x = 12,164,752.93
  5. Step 5: Solve for x
    x = 12,164,752.93/4,931.42
  6. Step 6: Final answer
    x = 2,466.79

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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.