Home / 3,253.63-4,490.02-1,761.56

Finding the Fourth Proportional to 3,253.63, 4,490.02 and 1,761.56

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Solution

The fourth proportional to 3,253.63, 4,490.02 and 1,761.56 is: 2,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.63 : 4,490.02 = 1,761.56 : x
  2. Step 2: Convert to fraction form
    3,253.63/4,490.02 = 1,761.56/x
  3. Step 3: Cross multiply
    3,253.63x = 4,490.02 × 1,761.56
  4. Step 4: Simplify right side
    3,253.63x = 7,909,446.45
  5. Step 5: Solve for x
    x = 7,909,446.45/3,253.63
  6. Step 6: Final answer
    x = 2,430.96

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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.