Home / 2,475.12-3,415.14-1,530.60

Finding the Fourth Proportional to 2,475.12, 3,415.14 and 1,530.60

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Solution

The fourth proportional to 2,475.12, 3,415.14 and 1,530.60 is: 2,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.12 : 3,415.14 = 1,530.60 : x
  2. Step 2: Convert to fraction form
    2,475.12/3,415.14 = 1,530.60/x
  3. Step 3: Cross multiply
    2,475.12x = 3,415.14 × 1,530.60
  4. Step 4: Simplify right side
    2,475.12x = 5,227,213.28
  5. Step 5: Solve for x
    x = 5,227,213.28/2,475.12
  6. Step 6: Final answer
    x = 2,111.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.