Home / 7,003.40-9,664.54-4,018.84

Finding the Fourth Proportional to 7,003.40, 9,664.54 and 4,018.84

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Solution

The fourth proportional to 7,003.40, 9,664.54 and 4,018.84 is: 5,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.40 : 9,664.54 = 4,018.84 : x
  2. Step 2: Convert to fraction form
    7,003.40/9,664.54 = 4,018.84/x
  3. Step 3: Cross multiply
    7,003.40x = 9,664.54 × 4,018.84
  4. Step 4: Simplify right side
    7,003.40x = 38,840,239.93
  5. Step 5: Solve for x
    x = 38,840,239.93/7,003.40
  6. Step 6: Final answer
    x = 5,545.91

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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.