Home / 7,430.77-11,147.87-2,500.29

Finding the Fourth Proportional to 7,430.77, 11,147.87 and 2,500.29

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Solution

The fourth proportional to 7,430.77, 11,147.87 and 2,500.29 is: 3,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.77 : 11,147.87 = 2,500.29 : x
  2. Step 2: Convert to fraction form
    7,430.77/11,147.87 = 2,500.29/x
  3. Step 3: Cross multiply
    7,430.77x = 11,147.87 × 2,500.29
  4. Step 4: Simplify right side
    7,430.77x = 27,872,914.13
  5. Step 5: Solve for x
    x = 27,872,914.13/7,430.77
  6. Step 6: Final answer
    x = 3,751.01

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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.