Home / 4,590.80-6,883.28-2,122.32

Finding the Fourth Proportional to 4,590.80, 6,883.28 and 2,122.32

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Solution

The fourth proportional to 4,590.80, 6,883.28 and 2,122.32 is: 3,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.80 : 6,883.28 = 2,122.32 : x
  2. Step 2: Convert to fraction form
    4,590.80/6,883.28 = 2,122.32/x
  3. Step 3: Cross multiply
    4,590.80x = 6,883.28 × 2,122.32
  4. Step 4: Simplify right side
    4,590.80x = 14,608,522.81
  5. Step 5: Solve for x
    x = 14,608,522.81/4,590.80
  6. Step 6: Final answer
    x = 3,182.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.