Home / 2,086.08-2,879.28-1,527.36

Finding the Fourth Proportional to 2,086.08, 2,879.28 and 1,527.36

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Solution

The fourth proportional to 2,086.08, 2,879.28 and 1,527.36 is: 2,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.08 : 2,879.28 = 1,527.36 : x
  2. Step 2: Convert to fraction form
    2,086.08/2,879.28 = 1,527.36/x
  3. Step 3: Cross multiply
    2,086.08x = 2,879.28 × 1,527.36
  4. Step 4: Simplify right side
    2,086.08x = 4,397,697.10
  5. Step 5: Solve for x
    x = 4,397,697.10/2,086.08
  6. Step 6: Final answer
    x = 2,108.12

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1.5x scale

Why These Related Problems?

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