Home / 7,059.05-9,740.10-4,187.25

Finding the Fourth Proportional to 7,059.05, 9,740.10 and 4,187.25

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Solution

The fourth proportional to 7,059.05, 9,740.10 and 4,187.25 is: 5,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.05 : 9,740.10 = 4,187.25 : x
  2. Step 2: Convert to fraction form
    7,059.05/9,740.10 = 4,187.25/x
  3. Step 3: Cross multiply
    7,059.05x = 9,740.10 × 4,187.25
  4. Step 4: Simplify right side
    7,059.05x = 40,784,218.02
  5. Step 5: Solve for x
    x = 40,784,218.02/7,059.05
  6. Step 6: Final answer
    x = 5,777.58

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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.