Home / 4,705.90-7,056.51-2,107.06

Finding the Fourth Proportional to 4,705.90, 7,056.51 and 2,107.06

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Solution

The fourth proportional to 4,705.90, 7,056.51 and 2,107.06 is: 3,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.90 : 7,056.51 = 2,107.06 : x
  2. Step 2: Convert to fraction form
    4,705.90/7,056.51 = 2,107.06/x
  3. Step 3: Cross multiply
    4,705.90x = 7,056.51 × 2,107.06
  4. Step 4: Simplify right side
    4,705.90x = 14,868,489.96
  5. Step 5: Solve for x
    x = 14,868,489.96/4,705.90
  6. Step 6: Final answer
    x = 3,159.54

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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.