Home / 2,999.07-4,132.08-2,239.56

Finding the Fourth Proportional to 2,999.07, 4,132.08 and 2,239.56

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Solution

The fourth proportional to 2,999.07, 4,132.08 and 2,239.56 is: 3,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.07 : 4,132.08 = 2,239.56 : x
  2. Step 2: Convert to fraction form
    2,999.07/4,132.08 = 2,239.56/x
  3. Step 3: Cross multiply
    2,999.07x = 4,132.08 × 2,239.56
  4. Step 4: Simplify right side
    2,999.07x = 9,254,041.08
  5. Step 5: Solve for x
    x = 9,254,041.08/2,999.07
  6. Step 6: Final answer
    x = 3,085.64

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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.