Home / 7,088.73-9,781.56-4,104.51

Finding the Fourth Proportional to 7,088.73, 9,781.56 and 4,104.51

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Solution

The fourth proportional to 7,088.73, 9,781.56 and 4,104.51 is: 5,663.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.73 : 9,781.56 = 4,104.51 : x
  2. Step 2: Convert to fraction form
    7,088.73/9,781.56 = 4,104.51/x
  3. Step 3: Cross multiply
    7,088.73x = 9,781.56 × 4,104.51
  4. Step 4: Simplify right side
    7,088.73x = 40,148,510.84
  5. Step 5: Solve for x
    x = 40,148,510.84/7,088.73
  6. Step 6: Final answer
    x = 5,663.71

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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.