Home / 5,325.36-7,348.68-3,087.06

Finding the Fourth Proportional to 5,325.36, 7,348.68 and 3,087.06

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Solution

The fourth proportional to 5,325.36, 7,348.68 and 3,087.06 is: 4,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.36 : 7,348.68 = 3,087.06 : x
  2. Step 2: Convert to fraction form
    5,325.36/7,348.68 = 3,087.06/x
  3. Step 3: Cross multiply
    5,325.36x = 7,348.68 × 3,087.06
  4. Step 4: Simplify right side
    5,325.36x = 22,685,816.08
  5. Step 5: Solve for x
    x = 22,685,816.08/5,325.36
  6. Step 6: Final answer
    x = 4,259.96

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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.