Home / 4,588.16-6,315.36-3,390.88

Finding the Fourth Proportional to 4,588.16, 6,315.36 and 3,390.88

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Solution

The fourth proportional to 4,588.16, 6,315.36 and 3,390.88 is: 4,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.16 : 6,315.36 = 3,390.88 : x
  2. Step 2: Convert to fraction form
    4,588.16/6,315.36 = 3,390.88/x
  3. Step 3: Cross multiply
    4,588.16x = 6,315.36 × 3,390.88
  4. Step 4: Simplify right side
    4,588.16x = 21,414,627.92
  5. Step 5: Solve for x
    x = 21,414,627.92/4,588.16
  6. Step 6: Final answer
    x = 4,667.37

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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.