Home / 5,328.28-7,353.06-3,091.49

Finding the Fourth Proportional to 5,328.28, 7,353.06 and 3,091.49

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Solution

The fourth proportional to 5,328.28, 7,353.06 and 3,091.49 is: 4,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.28 : 7,353.06 = 3,091.49 : x
  2. Step 2: Convert to fraction form
    5,328.28/7,353.06 = 3,091.49/x
  3. Step 3: Cross multiply
    5,328.28x = 7,353.06 × 3,091.49
  4. Step 4: Simplify right side
    5,328.28x = 22,731,911.46
  5. Step 5: Solve for x
    x = 22,731,911.46/5,328.28
  6. Step 6: Final answer
    x = 4,266.28

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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.