Home / 3,623.10-5,432.76-1,673.64

Finding the Fourth Proportional to 3,623.10, 5,432.76 and 1,673.64

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Solution

The fourth proportional to 3,623.10, 5,432.76 and 1,673.64 is: 2,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.10 : 5,432.76 = 1,673.64 : x
  2. Step 2: Convert to fraction form
    3,623.10/5,432.76 = 1,673.64/x
  3. Step 3: Cross multiply
    3,623.10x = 5,432.76 × 1,673.64
  4. Step 4: Simplify right side
    3,623.10x = 9,092,484.45
  5. Step 5: Solve for x
    x = 9,092,484.45/3,623.10
  6. Step 6: Final answer
    x = 2,509.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.