Home / 3,762.08-5,191.76-2,083.60

Finding the Fourth Proportional to 3,762.08, 5,191.76 and 2,083.60

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Solution

The fourth proportional to 3,762.08, 5,191.76 and 2,083.60 is: 2,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762.08 : 5,191.76 = 2,083.60 : x
  2. Step 2: Convert to fraction form
    3,762.08/5,191.76 = 2,083.60/x
  3. Step 3: Cross multiply
    3,762.08x = 5,191.76 × 2,083.60
  4. Step 4: Simplify right side
    3,762.08x = 10,817,551.14
  5. Step 5: Solve for x
    x = 10,817,551.14/3,762.08
  6. Step 6: Final answer
    x = 2,875.42

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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.