Home / 7,720.07-10,653.87-4,737.54

Finding the Fourth Proportional to 7,720.07, 10,653.87 and 4,737.54

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Solution

The fourth proportional to 7,720.07, 10,653.87 and 4,737.54 is: 6,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.07 : 10,653.87 = 4,737.54 : x
  2. Step 2: Convert to fraction form
    7,720.07/10,653.87 = 4,737.54/x
  3. Step 3: Cross multiply
    7,720.07x = 10,653.87 × 4,737.54
  4. Step 4: Simplify right side
    7,720.07x = 50,473,135.28
  5. Step 5: Solve for x
    x = 50,473,135.28/7,720.07
  6. Step 6: Final answer
    x = 6,537.92

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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.