Home / 5,395.18-7,446.33-3,156.94

Finding the Fourth Proportional to 5,395.18, 7,446.33 and 3,156.94

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Solution

The fourth proportional to 5,395.18, 7,446.33 and 3,156.94 is: 4,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.18 : 7,446.33 = 3,156.94 : x
  2. Step 2: Convert to fraction form
    5,395.18/7,446.33 = 3,156.94/x
  3. Step 3: Cross multiply
    5,395.18x = 7,446.33 × 3,156.94
  4. Step 4: Simplify right side
    5,395.18x = 23,507,617.03
  5. Step 5: Solve for x
    x = 23,507,617.03/5,395.18
  6. Step 6: Final answer
    x = 4,357.15

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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.