Home / 4,815.04-6,644.10-2,690.31

Finding the Fourth Proportional to 4,815.04, 6,644.10 and 2,690.31

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Solution

The fourth proportional to 4,815.04, 6,644.10 and 2,690.31 is: 3,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.04 : 6,644.10 = 2,690.31 : x
  2. Step 2: Convert to fraction form
    4,815.04/6,644.10 = 2,690.31/x
  3. Step 3: Cross multiply
    4,815.04x = 6,644.10 × 2,690.31
  4. Step 4: Simplify right side
    4,815.04x = 17,874,688.67
  5. Step 5: Solve for x
    x = 17,874,688.67/4,815.04
  6. Step 6: Final answer
    x = 3,712.26

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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.