Home / 5,920.32-8,170.72-3,562.32

Finding the Fourth Proportional to 5,920.32, 8,170.72 and 3,562.32

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Solution

The fourth proportional to 5,920.32, 8,170.72 and 3,562.32 is: 4,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.32 : 8,170.72 = 3,562.32 : x
  2. Step 2: Convert to fraction form
    5,920.32/8,170.72 = 3,562.32/x
  3. Step 3: Cross multiply
    5,920.32x = 8,170.72 × 3,562.32
  4. Step 4: Simplify right side
    5,920.32x = 29,106,719.27
  5. Step 5: Solve for x
    x = 29,106,719.27/5,920.32
  6. Step 6: Final answer
    x = 4,916.41

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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.