Home / 2,456.60-3,685.74-1,158.16

Finding the Fourth Proportional to 2,456.60, 3,685.74 and 1,158.16

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Solution

The fourth proportional to 2,456.60, 3,685.74 and 1,158.16 is: 1,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.60 : 3,685.74 = 1,158.16 : x
  2. Step 2: Convert to fraction form
    2,456.60/3,685.74 = 1,158.16/x
  3. Step 3: Cross multiply
    2,456.60x = 3,685.74 × 1,158.16
  4. Step 4: Simplify right side
    2,456.60x = 4,268,676.64
  5. Step 5: Solve for x
    x = 4,268,676.64/2,456.60
  6. Step 6: Final answer
    x = 1,737.64

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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.