Home / 7,160.24-10,740.36-2,543.24

Finding the Fourth Proportional to 7,160.24, 10,740.36 and 2,543.24

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Solution

The fourth proportional to 7,160.24, 10,740.36 and 2,543.24 is: 3,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.24 : 10,740.36 = 2,543.24 : x
  2. Step 2: Convert to fraction form
    7,160.24/10,740.36 = 2,543.24/x
  3. Step 3: Cross multiply
    7,160.24x = 10,740.36 × 2,543.24
  4. Step 4: Simplify right side
    7,160.24x = 27,315,313.17
  5. Step 5: Solve for x
    x = 27,315,313.17/7,160.24
  6. Step 6: Final answer
    x = 3,814.86

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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.