Home / 5,920.58-8,165.13-3,822.50

Finding the Fourth Proportional to 5,920.58, 8,165.13 and 3,822.50

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Solution

The fourth proportional to 5,920.58, 8,165.13 and 3,822.50 is: 5,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.58 : 8,165.13 = 3,822.50 : x
  2. Step 2: Convert to fraction form
    5,920.58/8,165.13 = 3,822.50/x
  3. Step 3: Cross multiply
    5,920.58x = 8,165.13 × 3,822.50
  4. Step 4: Simplify right side
    5,920.58x = 31,211,209.43
  5. Step 5: Solve for x
    x = 31,211,209.43/5,920.58
  6. Step 6: Final answer
    x = 5,271.65

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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.