Home / 1,465.44-2,196.64-916.37

Finding the Fourth Proportional to 1,465.44, 2,196.64 and 916.37

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Solution

The fourth proportional to 1,465.44, 2,196.64 and 916.37 is: 1,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.44 : 2,196.64 = 916.37 : x
  2. Step 2: Convert to fraction form
    1,465.44/2,196.64 = 916.37/x
  3. Step 3: Cross multiply
    1,465.44x = 2,196.64 × 916.37
  4. Step 4: Simplify right side
    1,465.44x = 2,012,921.72
  5. Step 5: Solve for x
    x = 2,012,921.72/1,465.44
  6. Step 6: Final answer
    x = 1,373.60

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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.