Home / 7,458.80-10,293.04-4,101.76

Finding the Fourth Proportional to 7,458.80, 10,293.04 and 4,101.76

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Solution

The fourth proportional to 7,458.80, 10,293.04 and 4,101.76 is: 5,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.80 : 10,293.04 = 4,101.76 : x
  2. Step 2: Convert to fraction form
    7,458.80/10,293.04 = 4,101.76/x
  3. Step 3: Cross multiply
    7,458.80x = 10,293.04 × 4,101.76
  4. Step 4: Simplify right side
    7,458.80x = 42,219,579.75
  5. Step 5: Solve for x
    x = 42,219,579.75/7,458.80
  6. Step 6: Final answer
    x = 5,660.37

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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.