Home / 2,330.63-3,216.33-1,282.76

Finding the Fourth Proportional to 2,330.63, 3,216.33 and 1,282.76

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Solution

The fourth proportional to 2,330.63, 3,216.33 and 1,282.76 is: 1,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.63 : 3,216.33 = 1,282.76 : x
  2. Step 2: Convert to fraction form
    2,330.63/3,216.33 = 1,282.76/x
  3. Step 3: Cross multiply
    2,330.63x = 3,216.33 × 1,282.76
  4. Step 4: Simplify right side
    2,330.63x = 4,125,779.47
  5. Step 5: Solve for x
    x = 4,125,779.47/2,330.63
  6. Step 6: Final answer
    x = 1,770.24

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Half scale
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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.