Home / 5,541.99-7,650.77-4,280.21

Finding the Fourth Proportional to 5,541.99, 7,650.77 and 4,280.21

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Solution

The fourth proportional to 5,541.99, 7,650.77 and 4,280.21 is: 5,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.99 : 7,650.77 = 4,280.21 : x
  2. Step 2: Convert to fraction form
    5,541.99/7,650.77 = 4,280.21/x
  3. Step 3: Cross multiply
    5,541.99x = 7,650.77 × 4,280.21
  4. Step 4: Simplify right side
    5,541.99x = 32,746,902.26
  5. Step 5: Solve for x
    x = 32,746,902.26/5,541.99
  6. Step 6: Final answer
    x = 5,908.87

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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.