Home / 2,925.62-4,390.68-1,077.87

Finding the Fourth Proportional to 2,925.62, 4,390.68 and 1,077.87

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Solution

The fourth proportional to 2,925.62, 4,390.68 and 1,077.87 is: 1,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.62 : 4,390.68 = 1,077.87 : x
  2. Step 2: Convert to fraction form
    2,925.62/4,390.68 = 1,077.87/x
  3. Step 3: Cross multiply
    2,925.62x = 4,390.68 × 1,077.87
  4. Step 4: Simplify right side
    2,925.62x = 4,732,582.25
  5. Step 5: Solve for x
    x = 4,732,582.25/2,925.62
  6. Step 6: Final answer
    x = 1,617.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.