Home / 5,509.09-7,602.33-2,991.14

Finding the Fourth Proportional to 5,509.09, 7,602.33 and 2,991.14

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Solution

The fourth proportional to 5,509.09, 7,602.33 and 2,991.14 is: 4,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.09 : 7,602.33 = 2,991.14 : x
  2. Step 2: Convert to fraction form
    5,509.09/7,602.33 = 2,991.14/x
  3. Step 3: Cross multiply
    5,509.09x = 7,602.33 × 2,991.14
  4. Step 4: Simplify right side
    5,509.09x = 22,739,633.36
  5. Step 5: Solve for x
    x = 22,739,633.36/5,509.09
  6. Step 6: Final answer
    x = 4,127.66

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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.