Home / 5,240.99-7,854.10-2,902.05

Finding the Fourth Proportional to 5,240.99, 7,854.10 and 2,902.05

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Solution

The fourth proportional to 5,240.99, 7,854.10 and 2,902.05 is: 4,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.99 : 7,854.10 = 2,902.05 : x
  2. Step 2: Convert to fraction form
    5,240.99/7,854.10 = 2,902.05/x
  3. Step 3: Cross multiply
    5,240.99x = 7,854.10 × 2,902.05
  4. Step 4: Simplify right side
    5,240.99x = 22,792,983.65
  5. Step 5: Solve for x
    x = 22,792,983.65/5,240.99
  6. Step 6: Final answer
    x = 4,348.98

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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.