Home / 7,239.03-9,989.01-4,052.51

Finding the Fourth Proportional to 7,239.03, 9,989.01 and 4,052.51

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Solution

The fourth proportional to 7,239.03, 9,989.01 and 4,052.51 is: 5,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.03 : 9,989.01 = 4,052.51 : x
  2. Step 2: Convert to fraction form
    7,239.03/9,989.01 = 4,052.51/x
  3. Step 3: Cross multiply
    7,239.03x = 9,989.01 × 4,052.51
  4. Step 4: Simplify right side
    7,239.03x = 40,480,512.97
  5. Step 5: Solve for x
    x = 40,480,512.97/7,239.03
  6. Step 6: Final answer
    x = 5,591.98

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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.