Home / 3,119.34-4,303.98-2,372.16

Finding the Fourth Proportional to 3,119.34, 4,303.98 and 2,372.16

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Solution

The fourth proportional to 3,119.34, 4,303.98 and 2,372.16 is: 3,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.34 : 4,303.98 = 2,372.16 : x
  2. Step 2: Convert to fraction form
    3,119.34/4,303.98 = 2,372.16/x
  3. Step 3: Cross multiply
    3,119.34x = 4,303.98 × 2,372.16
  4. Step 4: Simplify right side
    3,119.34x = 10,209,729.20
  5. Step 5: Solve for x
    x = 10,209,729.20/3,119.34
  6. Step 6: Final answer
    x = 3,273.04

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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.