Home / 2,353.59-3,247.95-1,305.65

Finding the Fourth Proportional to 2,353.59, 3,247.95 and 1,305.65

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Solution

The fourth proportional to 2,353.59, 3,247.95 and 1,305.65 is: 1,801.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.59 : 3,247.95 = 1,305.65 : x
  2. Step 2: Convert to fraction form
    2,353.59/3,247.95 = 1,305.65/x
  3. Step 3: Cross multiply
    2,353.59x = 3,247.95 × 1,305.65
  4. Step 4: Simplify right side
    2,353.59x = 4,240,663.15
  5. Step 5: Solve for x
    x = 4,240,663.15/2,353.59
  6. Step 6: Final answer
    x = 1,801.79

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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.