Home / 7,159.09-10,740.45-2,228.77

Finding the Fourth Proportional to 7,159.09, 10,740.45 and 2,228.77

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Solution

The fourth proportional to 7,159.09, 10,740.45 and 2,228.77 is: 3,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.09 : 10,740.45 = 2,228.77 : x
  2. Step 2: Convert to fraction form
    7,159.09/10,740.45 = 2,228.77/x
  3. Step 3: Cross multiply
    7,159.09x = 10,740.45 × 2,228.77
  4. Step 4: Simplify right side
    7,159.09x = 23,937,992.75
  5. Step 5: Solve for x
    x = 23,937,992.75/7,159.09
  6. Step 6: Final answer
    x = 3,343.72

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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.