Home / 4,778.05-7,160.59-2,697.03

Finding the Fourth Proportional to 4,778.05, 7,160.59 and 2,697.03

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Solution

The fourth proportional to 4,778.05, 7,160.59 and 2,697.03 is: 4,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.05 : 7,160.59 = 2,697.03 : x
  2. Step 2: Convert to fraction form
    4,778.05/7,160.59 = 2,697.03/x
  3. Step 3: Cross multiply
    4,778.05x = 7,160.59 × 2,697.03
  4. Step 4: Simplify right side
    4,778.05x = 19,312,326.05
  5. Step 5: Solve for x
    x = 19,312,326.05/4,778.05
  6. Step 6: Final answer
    x = 4,041.88

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1.5x scale

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.