Home / 7,721.52-10,651.77-4,884.10

Finding the Fourth Proportional to 7,721.52, 10,651.77 and 4,884.10

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Solution

The fourth proportional to 7,721.52, 10,651.77 and 4,884.10 is: 6,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.52 : 10,651.77 = 4,884.10 : x
  2. Step 2: Convert to fraction form
    7,721.52/10,651.77 = 4,884.10/x
  3. Step 3: Cross multiply
    7,721.52x = 10,651.77 × 4,884.10
  4. Step 4: Simplify right side
    7,721.52x = 52,024,309.86
  5. Step 5: Solve for x
    x = 52,024,309.86/7,721.52
  6. Step 6: Final answer
    x = 6,737.57

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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.