Home / 5,208.10-7,190.54-4,647.61

Finding the Fourth Proportional to 5,208.10, 7,190.54 and 4,647.61

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Solution

The fourth proportional to 5,208.10, 7,190.54 and 4,647.61 is: 6,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.10 : 7,190.54 = 4,647.61 : x
  2. Step 2: Convert to fraction form
    5,208.10/7,190.54 = 4,647.61/x
  3. Step 3: Cross multiply
    5,208.10x = 7,190.54 × 4,647.61
  4. Step 4: Simplify right side
    5,208.10x = 33,418,784.40
  5. Step 5: Solve for x
    x = 33,418,784.40/5,208.10
  6. Step 6: Final answer
    x = 6,416.69

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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.