Home / 7,375.05-10,177.47-4,017.85

Finding the Fourth Proportional to 7,375.05, 10,177.47 and 4,017.85

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Solution

The fourth proportional to 7,375.05, 10,177.47 and 4,017.85 is: 5,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.05 : 10,177.47 = 4,017.85 : x
  2. Step 2: Convert to fraction form
    7,375.05/10,177.47 = 4,017.85/x
  3. Step 3: Cross multiply
    7,375.05x = 10,177.47 × 4,017.85
  4. Step 4: Simplify right side
    7,375.05x = 40,891,547.84
  5. Step 5: Solve for x
    x = 40,891,547.84/7,375.05
  6. Step 6: Final answer
    x = 5,544.58

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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.