Home / 4,247.63-5,864.55-2,656.68

Finding the Fourth Proportional to 4,247.63, 5,864.55 and 2,656.68

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Solution

The fourth proportional to 4,247.63, 5,864.55 and 2,656.68 is: 3,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.63 : 5,864.55 = 2,656.68 : x
  2. Step 2: Convert to fraction form
    4,247.63/5,864.55 = 2,656.68/x
  3. Step 3: Cross multiply
    4,247.63x = 5,864.55 × 2,656.68
  4. Step 4: Simplify right side
    4,247.63x = 15,580,232.69
  5. Step 5: Solve for x
    x = 15,580,232.69/4,247.63
  6. Step 6: Final answer
    x = 3,667.99

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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.