Home / 5,312.46-7,331.10-2,954.58

Finding the Fourth Proportional to 5,312.46, 7,331.10 and 2,954.58

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Solution

The fourth proportional to 5,312.46, 7,331.10 and 2,954.58 is: 4,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.46 : 7,331.10 = 2,954.58 : x
  2. Step 2: Convert to fraction form
    5,312.46/7,331.10 = 2,954.58/x
  3. Step 3: Cross multiply
    5,312.46x = 7,331.10 × 2,954.58
  4. Step 4: Simplify right side
    5,312.46x = 21,660,321.44
  5. Step 5: Solve for x
    x = 21,660,321.44/5,312.46
  6. Step 6: Final answer
    x = 4,077.27

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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.