Home / 7,088.57-10,628.24-3,390.69

Finding the Fourth Proportional to 7,088.57, 10,628.24 and 3,390.69

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Solution

The fourth proportional to 7,088.57, 10,628.24 and 3,390.69 is: 5,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.57 : 10,628.24 = 3,390.69 : x
  2. Step 2: Convert to fraction form
    7,088.57/10,628.24 = 3,390.69/x
  3. Step 3: Cross multiply
    7,088.57x = 10,628.24 × 3,390.69
  4. Step 4: Simplify right side
    7,088.57x = 36,037,050.13
  5. Step 5: Solve for x
    x = 36,037,050.13/7,088.57
  6. Step 6: Final answer
    x = 5,083.83

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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.