Home / 7,518.06-10,375.08-4,160.79

Finding the Fourth Proportional to 7,518.06, 10,375.08 and 4,160.79

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Solution

The fourth proportional to 7,518.06, 10,375.08 and 4,160.79 is: 5,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.06 : 10,375.08 = 4,160.79 : x
  2. Step 2: Convert to fraction form
    7,518.06/10,375.08 = 4,160.79/x
  3. Step 3: Cross multiply
    7,518.06x = 10,375.08 × 4,160.79
  4. Step 4: Simplify right side
    7,518.06x = 43,168,518.71
  5. Step 5: Solve for x
    x = 43,168,518.71/7,518.06
  6. Step 6: Final answer
    x = 5,741.97

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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.