Home / 7,175.64-9,902.76-4,032.02

Finding the Fourth Proportional to 7,175.64, 9,902.76 and 4,032.02

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Solution

The fourth proportional to 7,175.64, 9,902.76 and 4,032.02 is: 5,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.64 : 9,902.76 = 4,032.02 : x
  2. Step 2: Convert to fraction form
    7,175.64/9,902.76 = 4,032.02/x
  3. Step 3: Cross multiply
    7,175.64x = 9,902.76 × 4,032.02
  4. Step 4: Simplify right side
    7,175.64x = 39,928,126.38
  5. Step 5: Solve for x
    x = 39,928,126.38/7,175.64
  6. Step 6: Final answer
    x = 5,564.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.