Home / 5,208.48-7,192.08-3,720.96

Finding the Fourth Proportional to 5,208.48, 7,192.08 and 3,720.96

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Solution

The fourth proportional to 5,208.48, 7,192.08 and 3,720.96 is: 5,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.48 : 7,192.08 = 3,720.96 : x
  2. Step 2: Convert to fraction form
    5,208.48/7,192.08 = 3,720.96/x
  3. Step 3: Cross multiply
    5,208.48x = 7,192.08 × 3,720.96
  4. Step 4: Simplify right side
    5,208.48x = 26,761,442.00
  5. Step 5: Solve for x
    x = 26,761,442.00/5,208.48
  6. Step 6: Final answer
    x = 5,138.05

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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.