Home / 3,264.52-4,505.40-1,938.16

Finding the Fourth Proportional to 3,264.52, 4,505.40 and 1,938.16

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Solution

The fourth proportional to 3,264.52, 4,505.40 and 1,938.16 is: 2,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.52 : 4,505.40 = 1,938.16 : x
  2. Step 2: Convert to fraction form
    3,264.52/4,505.40 = 1,938.16/x
  3. Step 3: Cross multiply
    3,264.52x = 4,505.40 × 1,938.16
  4. Step 4: Simplify right side
    3,264.52x = 8,732,186.06
  5. Step 5: Solve for x
    x = 8,732,186.06/3,264.52
  6. Step 6: Final answer
    x = 2,674.88

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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.