Home / 5,133.11-7,700.13-1,435.56

Finding the Fourth Proportional to 5,133.11, 7,700.13 and 1,435.56

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Solution

The fourth proportional to 5,133.11, 7,700.13 and 1,435.56 is: 2,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.11 : 7,700.13 = 1,435.56 : x
  2. Step 2: Convert to fraction form
    5,133.11/7,700.13 = 1,435.56/x
  3. Step 3: Cross multiply
    5,133.11x = 7,700.13 × 1,435.56
  4. Step 4: Simplify right side
    5,133.11x = 11,053,969.75
  5. Step 5: Solve for x
    x = 11,053,969.75/5,133.11
  6. Step 6: Final answer
    x = 2,153.47

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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.