Home / 7,877.68-10,871.44-4,341.04

Finding the Fourth Proportional to 7,877.68, 10,871.44 and 4,341.04

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Solution

The fourth proportional to 7,877.68, 10,871.44 and 4,341.04 is: 5,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.68 : 10,871.44 = 4,341.04 : x
  2. Step 2: Convert to fraction form
    7,877.68/10,871.44 = 4,341.04/x
  3. Step 3: Cross multiply
    7,877.68x = 10,871.44 × 4,341.04
  4. Step 4: Simplify right side
    7,877.68x = 47,193,355.90
  5. Step 5: Solve for x
    x = 47,193,355.90/7,877.68
  6. Step 6: Final answer
    x = 5,990.77

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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.