Home / 5,009.19-7,514.59-2,087.79

Finding the Fourth Proportional to 5,009.19, 7,514.59 and 2,087.79

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Solution

The fourth proportional to 5,009.19, 7,514.59 and 2,087.79 is: 3,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.19 : 7,514.59 = 2,087.79 : x
  2. Step 2: Convert to fraction form
    5,009.19/7,514.59 = 2,087.79/x
  3. Step 3: Cross multiply
    5,009.19x = 7,514.59 × 2,087.79
  4. Step 4: Simplify right side
    5,009.19x = 15,688,885.86
  5. Step 5: Solve for x
    x = 15,688,885.86/5,009.19
  6. Step 6: Final answer
    x = 3,132.02

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1.5x scale

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.