Home / 4,855.04-6,702.18-3,980.24

Finding the Fourth Proportional to 4,855.04, 6,702.18 and 3,980.24

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Solution

The fourth proportional to 4,855.04, 6,702.18 and 3,980.24 is: 5,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.04 : 6,702.18 = 3,980.24 : x
  2. Step 2: Convert to fraction form
    4,855.04/6,702.18 = 3,980.24/x
  3. Step 3: Cross multiply
    4,855.04x = 6,702.18 × 3,980.24
  4. Step 4: Simplify right side
    4,855.04x = 26,676,284.92
  5. Step 5: Solve for x
    x = 26,676,284.92/4,855.04
  6. Step 6: Final answer
    x = 5,494.56

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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.