Home / 3,505.23-5,257.10-1,314.12

Finding the Fourth Proportional to 3,505.23, 5,257.10 and 1,314.12

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Solution

The fourth proportional to 3,505.23, 5,257.10 and 1,314.12 is: 1,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.23 : 5,257.10 = 1,314.12 : x
  2. Step 2: Convert to fraction form
    3,505.23/5,257.10 = 1,314.12/x
  3. Step 3: Cross multiply
    3,505.23x = 5,257.10 × 1,314.12
  4. Step 4: Simplify right side
    3,505.23x = 6,908,460.25
  5. Step 5: Solve for x
    x = 6,908,460.25/3,505.23
  6. Step 6: Final answer
    x = 1,970.90

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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.