Home / 7,537.80-10,400.82-4,551.64

Finding the Fourth Proportional to 7,537.80, 10,400.82 and 4,551.64

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Solution

The fourth proportional to 7,537.80, 10,400.82 and 4,551.64 is: 6,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.80 : 10,400.82 = 4,551.64 : x
  2. Step 2: Convert to fraction form
    7,537.80/10,400.82 = 4,551.64/x
  3. Step 3: Cross multiply
    7,537.80x = 10,400.82 × 4,551.64
  4. Step 4: Simplify right side
    7,537.80x = 47,340,773.72
  5. Step 5: Solve for x
    x = 47,340,773.72/7,537.80
  6. Step 6: Final answer
    x = 6,280.45

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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.