Home / 7,362.68-10,160.49-4,218.88

Finding the Fourth Proportional to 7,362.68, 10,160.49 and 4,218.88

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Solution

The fourth proportional to 7,362.68, 10,160.49 and 4,218.88 is: 5,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.68 : 10,160.49 = 4,218.88 : x
  2. Step 2: Convert to fraction form
    7,362.68/10,160.49 = 4,218.88/x
  3. Step 3: Cross multiply
    7,362.68x = 10,160.49 × 4,218.88
  4. Step 4: Simplify right side
    7,362.68x = 42,865,888.05
  5. Step 5: Solve for x
    x = 42,865,888.05/7,362.68
  6. Step 6: Final answer
    x = 5,822.05

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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.