Home / 2,999.87-4,140.96-2,360.16

Finding the Fourth Proportional to 2,999.87, 4,140.96 and 2,360.16

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Solution

The fourth proportional to 2,999.87, 4,140.96 and 2,360.16 is: 3,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.87 : 4,140.96 = 2,360.16 : x
  2. Step 2: Convert to fraction form
    2,999.87/4,140.96 = 2,360.16/x
  3. Step 3: Cross multiply
    2,999.87x = 4,140.96 × 2,360.16
  4. Step 4: Simplify right side
    2,999.87x = 9,773,328.15
  5. Step 5: Solve for x
    x = 9,773,328.15/2,999.87
  6. Step 6: Final answer
    x = 3,257.92

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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.