Home / 5,642.30-8,457.87-2,675.53

Finding the Fourth Proportional to 5,642.30, 8,457.87 and 2,675.53

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Solution

The fourth proportional to 5,642.30, 8,457.87 and 2,675.53 is: 4,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.30 : 8,457.87 = 2,675.53 : x
  2. Step 2: Convert to fraction form
    5,642.30/8,457.87 = 2,675.53/x
  3. Step 3: Cross multiply
    5,642.30x = 8,457.87 × 2,675.53
  4. Step 4: Simplify right side
    5,642.30x = 22,629,242.63
  5. Step 5: Solve for x
    x = 22,629,242.63/5,642.30
  6. Step 6: Final answer
    x = 4,010.64

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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.