Home / 2,360.20-3,257.06-1,312.28

Finding the Fourth Proportional to 2,360.20, 3,257.06 and 1,312.28

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Solution

The fourth proportional to 2,360.20, 3,257.06 and 1,312.28 is: 1,810.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.20 : 3,257.06 = 1,312.28 : x
  2. Step 2: Convert to fraction form
    2,360.20/3,257.06 = 1,312.28/x
  3. Step 3: Cross multiply
    2,360.20x = 3,257.06 × 1,312.28
  4. Step 4: Simplify right side
    2,360.20x = 4,274,174.70
  5. Step 5: Solve for x
    x = 4,274,174.70/2,360.20
  6. Step 6: Final answer
    x = 1,810.94

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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.