Home / 2,116.05-2,919-1,487.55

Finding the Fourth Proportional to 2,116.05, 2,919 and 1,487.55

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Solution

The fourth proportional to 2,116.05, 2,919 and 1,487.55 is: 2,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.05 : 2,919 = 1,487.55 : x
  2. Step 2: Convert to fraction form
    2,116.05/2,919 = 1,487.55/x
  3. Step 3: Cross multiply
    2,116.05x = 2,919 × 1,487.55
  4. Step 4: Simplify right side
    2,116.05x = 4,342,158.45
  5. Step 5: Solve for x
    x = 4,342,158.45/2,116.05
  6. Step 6: Final answer
    x = 2,052.01

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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.