Home / 5,190.49-7,145.55-4,952.17

Finding the Fourth Proportional to 5,190.49, 7,145.55 and 4,952.17

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Solution

The fourth proportional to 5,190.49, 7,145.55 and 4,952.17 is: 6,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.49 : 7,145.55 = 4,952.17 : x
  2. Step 2: Convert to fraction form
    5,190.49/7,145.55 = 4,952.17/x
  3. Step 3: Cross multiply
    5,190.49x = 7,145.55 × 4,952.17
  4. Step 4: Simplify right side
    5,190.49x = 35,385,978.34
  5. Step 5: Solve for x
    x = 35,385,978.34/5,190.49
  6. Step 6: Final answer
    x = 6,817.46

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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.