Home / 7,175.62-9,902.55-4,032.10

Finding the Fourth Proportional to 7,175.62, 9,902.55 and 4,032.10

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Solution

The fourth proportional to 7,175.62, 9,902.55 and 4,032.10 is: 5,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.62 : 9,902.55 = 4,032.10 : x
  2. Step 2: Convert to fraction form
    7,175.62/9,902.55 = 4,032.10/x
  3. Step 3: Cross multiply
    7,175.62x = 9,902.55 × 4,032.10
  4. Step 4: Simplify right side
    7,175.62x = 39,928,071.86
  5. Step 5: Solve for x
    x = 39,928,071.86/7,175.62
  6. Step 6: Final answer
    x = 5,564.41

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1.5x scale

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.