Home / 7,712.73-10,643.52-4,175.94

Finding the Fourth Proportional to 7,712.73, 10,643.52 and 4,175.94

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Solution

The fourth proportional to 7,712.73, 10,643.52 and 4,175.94 is: 5,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.73 : 10,643.52 = 4,175.94 : x
  2. Step 2: Convert to fraction form
    7,712.73/10,643.52 = 4,175.94/x
  3. Step 3: Cross multiply
    7,712.73x = 10,643.52 × 4,175.94
  4. Step 4: Simplify right side
    7,712.73x = 44,446,700.91
  5. Step 5: Solve for x
    x = 44,446,700.91/7,712.73
  6. Step 6: Final answer
    x = 5,762.77

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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.