Home / 7,160.73-9,881.13-4,135.63

Finding the Fourth Proportional to 7,160.73, 9,881.13 and 4,135.63

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Solution

The fourth proportional to 7,160.73, 9,881.13 and 4,135.63 is: 5,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.73 : 9,881.13 = 4,135.63 : x
  2. Step 2: Convert to fraction form
    7,160.73/9,881.13 = 4,135.63/x
  3. Step 3: Cross multiply
    7,160.73x = 9,881.13 × 4,135.63
  4. Step 4: Simplify right side
    7,160.73x = 40,864,688.47
  5. Step 5: Solve for x
    x = 40,864,688.47/7,160.73
  6. Step 6: Final answer
    x = 5,706.77

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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.