Home / 5,133.09-7,700.12-1,435.32

Finding the Fourth Proportional to 5,133.09, 7,700.12 and 1,435.32

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Solution

The fourth proportional to 5,133.09, 7,700.12 and 1,435.32 is: 2,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.09 : 7,700.12 = 1,435.32 : x
  2. Step 2: Convert to fraction form
    5,133.09/7,700.12 = 1,435.32/x
  3. Step 3: Cross multiply
    5,133.09x = 7,700.12 × 1,435.32
  4. Step 4: Simplify right side
    5,133.09x = 11,052,128.61
  5. Step 5: Solve for x
    x = 11,052,128.61/5,133.09
  6. Step 6: Final answer
    x = 2,153.11

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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.