Home / 2,360.30-3,257.21-1,312.37

Finding the Fourth Proportional to 2,360.30, 3,257.21 and 1,312.37

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Solution

The fourth proportional to 2,360.30, 3,257.21 and 1,312.37 is: 1,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.30 : 3,257.21 = 1,312.37 : x
  2. Step 2: Convert to fraction form
    2,360.30/3,257.21 = 1,312.37/x
  3. Step 3: Cross multiply
    2,360.30x = 3,257.21 × 1,312.37
  4. Step 4: Simplify right side
    2,360.30x = 4,274,646.76
  5. Step 5: Solve for x
    x = 4,274,646.76/2,360.30
  6. Step 6: Final answer
    x = 1,811.06

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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.