Home / 7,507.01-10,358.76-4,149.36

Finding the Fourth Proportional to 7,507.01, 10,358.76 and 4,149.36

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Solution

The fourth proportional to 7,507.01, 10,358.76 and 4,149.36 is: 5,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.01 : 10,358.76 = 4,149.36 : x
  2. Step 2: Convert to fraction form
    7,507.01/10,358.76 = 4,149.36/x
  3. Step 3: Cross multiply
    7,507.01x = 10,358.76 × 4,149.36
  4. Step 4: Simplify right side
    7,507.01x = 42,982,224.39
  5. Step 5: Solve for x
    x = 42,982,224.39/7,507.01
  6. Step 6: Final answer
    x = 5,725.62

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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.