Home / 7,880.92-10,875.69-4,344.05

Finding the Fourth Proportional to 7,880.92, 10,875.69 and 4,344.05

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Solution

The fourth proportional to 7,880.92, 10,875.69 and 4,344.05 is: 5,994.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.92 : 10,875.69 = 4,344.05 : x
  2. Step 2: Convert to fraction form
    7,880.92/10,875.69 = 4,344.05/x
  3. Step 3: Cross multiply
    7,880.92x = 10,875.69 × 4,344.05
  4. Step 4: Simplify right side
    7,880.92x = 47,244,568.33
  5. Step 5: Solve for x
    x = 47,244,568.33/7,880.92
  6. Step 6: Final answer
    x = 5,994.81

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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.