Home / 2,700.15-4,052.64-1,057.86

Finding the Fourth Proportional to 2,700.15, 4,052.64 and 1,057.86

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Solution

The fourth proportional to 2,700.15, 4,052.64 and 1,057.86 is: 1,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.15 : 4,052.64 = 1,057.86 : x
  2. Step 2: Convert to fraction form
    2,700.15/4,052.64 = 1,057.86/x
  3. Step 3: Cross multiply
    2,700.15x = 4,052.64 × 1,057.86
  4. Step 4: Simplify right side
    2,700.15x = 4,287,125.75
  5. Step 5: Solve for x
    x = 4,287,125.75/2,700.15
  6. Step 6: Final answer
    x = 1,587.74

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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.