Home / 7,877.93-10,871.42-4,341.26

Finding the Fourth Proportional to 7,877.93, 10,871.42 and 4,341.26

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Solution

The fourth proportional to 7,877.93, 10,871.42 and 4,341.26 is: 5,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.93 : 10,871.42 = 4,341.26 : x
  2. Step 2: Convert to fraction form
    7,877.93/10,871.42 = 4,341.26/x
  3. Step 3: Cross multiply
    7,877.93x = 10,871.42 × 4,341.26
  4. Step 4: Simplify right side
    7,877.93x = 47,195,666.26
  5. Step 5: Solve for x
    x = 47,195,666.26/7,877.93
  6. Step 6: Final answer
    x = 5,990.88

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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.