Home / 5,348.96-7,381.36-2,991.04

Finding the Fourth Proportional to 5,348.96, 7,381.36 and 2,991.04

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Solution

The fourth proportional to 5,348.96, 7,381.36 and 2,991.04 is: 4,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.96 : 7,381.36 = 2,991.04 : x
  2. Step 2: Convert to fraction form
    5,348.96/7,381.36 = 2,991.04/x
  3. Step 3: Cross multiply
    5,348.96x = 7,381.36 × 2,991.04
  4. Step 4: Simplify right side
    5,348.96x = 22,077,943.01
  5. Step 5: Solve for x
    x = 22,077,943.01/5,348.96
  6. Step 6: Final answer
    x = 4,127.52

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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.