Home / 7,505.55-10,357.67-4,102.62

Finding the Fourth Proportional to 7,505.55, 10,357.67 and 4,102.62

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Solution

The fourth proportional to 7,505.55, 10,357.67 and 4,102.62 is: 5,661.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.55 : 10,357.67 = 4,102.62 : x
  2. Step 2: Convert to fraction form
    7,505.55/10,357.67 = 4,102.62/x
  3. Step 3: Cross multiply
    7,505.55x = 10,357.67 × 4,102.62
  4. Step 4: Simplify right side
    7,505.55x = 42,493,563.58
  5. Step 5: Solve for x
    x = 42,493,563.58/7,505.55
  6. Step 6: Final answer
    x = 5,661.62

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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.