Home / 5,395.41-7,448.22-3,156.57

Finding the Fourth Proportional to 5,395.41, 7,448.22 and 3,156.57

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Solution

The fourth proportional to 5,395.41, 7,448.22 and 3,156.57 is: 4,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.41 : 7,448.22 = 3,156.57 : x
  2. Step 2: Convert to fraction form
    5,395.41/7,448.22 = 3,156.57/x
  3. Step 3: Cross multiply
    5,395.41x = 7,448.22 × 3,156.57
  4. Step 4: Simplify right side
    5,395.41x = 23,510,827.81
  5. Step 5: Solve for x
    x = 23,510,827.81/5,395.41
  6. Step 6: Final answer
    x = 4,357.56

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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.