Home / 7,180.92-9,909.36-4,037.04

Finding the Fourth Proportional to 7,180.92, 9,909.36 and 4,037.04

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Solution

The fourth proportional to 7,180.92, 9,909.36 and 4,037.04 is: 5,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.92 : 9,909.36 = 4,037.04 : x
  2. Step 2: Convert to fraction form
    7,180.92/9,909.36 = 4,037.04/x
  3. Step 3: Cross multiply
    7,180.92x = 9,909.36 × 4,037.04
  4. Step 4: Simplify right side
    7,180.92x = 40,004,482.69
  5. Step 5: Solve for x
    x = 40,004,482.69/7,180.92
  6. Step 6: Final answer
    x = 5,570.94

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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.