Home / 2,360.77-3,257.85-1,312.83

Finding the Fourth Proportional to 2,360.77, 3,257.85 and 1,312.83

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Solution

The fourth proportional to 2,360.77, 3,257.85 and 1,312.83 is: 1,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.77 : 3,257.85 = 1,312.83 : x
  2. Step 2: Convert to fraction form
    2,360.77/3,257.85 = 1,312.83/x
  3. Step 3: Cross multiply
    2,360.77x = 3,257.85 × 1,312.83
  4. Step 4: Simplify right side
    2,360.77x = 4,277,003.22
  5. Step 5: Solve for x
    x = 4,277,003.22/2,360.77
  6. Step 6: Final answer
    x = 1,811.70

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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.