Home / 7,353.90-10,144.92-4,208.28

Finding the Fourth Proportional to 7,353.90, 10,144.92 and 4,208.28

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Solution

The fourth proportional to 7,353.90, 10,144.92 and 4,208.28 is: 5,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.90 : 10,144.92 = 4,208.28 : x
  2. Step 2: Convert to fraction form
    7,353.90/10,144.92 = 4,208.28/x
  3. Step 3: Cross multiply
    7,353.90x = 10,144.92 × 4,208.28
  4. Step 4: Simplify right side
    7,353.90x = 42,692,663.94
  5. Step 5: Solve for x
    x = 42,692,663.94/7,353.90
  6. Step 6: Final answer
    x = 5,805.45

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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.