Home / 3,916.12-5,869.78-1,575.58

Finding the Fourth Proportional to 3,916.12, 5,869.78 and 1,575.58

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Solution

The fourth proportional to 3,916.12, 5,869.78 and 1,575.58 is: 2,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.12 : 5,869.78 = 1,575.58 : x
  2. Step 2: Convert to fraction form
    3,916.12/5,869.78 = 1,575.58/x
  3. Step 3: Cross multiply
    3,916.12x = 5,869.78 × 1,575.58
  4. Step 4: Simplify right side
    3,916.12x = 9,248,307.97
  5. Step 5: Solve for x
    x = 9,248,307.97/3,916.12
  6. Step 6: Final answer
    x = 2,361.60

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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.