Home / 5,243.06-7,235.25-2,885.19

Finding the Fourth Proportional to 5,243.06, 7,235.25 and 2,885.19

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Solution

The fourth proportional to 5,243.06, 7,235.25 and 2,885.19 is: 3,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.06 : 7,235.25 = 2,885.19 : x
  2. Step 2: Convert to fraction form
    5,243.06/7,235.25 = 2,885.19/x
  3. Step 3: Cross multiply
    5,243.06x = 7,235.25 × 2,885.19
  4. Step 4: Simplify right side
    5,243.06x = 20,875,070.95
  5. Step 5: Solve for x
    x = 20,875,070.95/5,243.06
  6. Step 6: Final answer
    x = 3,981.47

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Half scale
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Double scale
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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.