Home / 5,501.54-7,591.98-3,143.68

Finding the Fourth Proportional to 5,501.54, 7,591.98 and 3,143.68

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Solution

The fourth proportional to 5,501.54, 7,591.98 and 3,143.68 is: 4,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.54 : 7,591.98 = 3,143.68 : x
  2. Step 2: Convert to fraction form
    5,501.54/7,591.98 = 3,143.68/x
  3. Step 3: Cross multiply
    5,501.54x = 7,591.98 × 3,143.68
  4. Step 4: Simplify right side
    5,501.54x = 23,866,730.81
  5. Step 5: Solve for x
    x = 23,866,730.81/5,501.54
  6. Step 6: Final answer
    x = 4,338.19

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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.