Home / 7,331.15-10,116.87-4,144.40

Finding the Fourth Proportional to 7,331.15, 10,116.87 and 4,144.40

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Solution

The fourth proportional to 7,331.15, 10,116.87 and 4,144.40 is: 5,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.15 : 10,116.87 = 4,144.40 : x
  2. Step 2: Convert to fraction form
    7,331.15/10,116.87 = 4,144.40/x
  3. Step 3: Cross multiply
    7,331.15x = 10,116.87 × 4,144.40
  4. Step 4: Simplify right side
    7,331.15x = 41,928,327.84
  5. Step 5: Solve for x
    x = 41,928,327.84/7,331.15
  6. Step 6: Final answer
    x = 5,719.20

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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.