Home / 5,132.86-7,700.60-1,435.10

Finding the Fourth Proportional to 5,132.86, 7,700.60 and 1,435.10

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Solution

The fourth proportional to 5,132.86, 7,700.60 and 1,435.10 is: 2,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.86 : 7,700.60 = 1,435.10 : x
  2. Step 2: Convert to fraction form
    5,132.86/7,700.60 = 1,435.10/x
  3. Step 3: Cross multiply
    5,132.86x = 7,700.60 × 1,435.10
  4. Step 4: Simplify right side
    5,132.86x = 11,051,131.06
  5. Step 5: Solve for x
    x = 11,051,131.06/5,132.86
  6. Step 6: Final answer
    x = 2,153.02

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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.