Home / 4,707.12-6,497.01-3,215.64

Finding the Fourth Proportional to 4,707.12, 6,497.01 and 3,215.64

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Solution

The fourth proportional to 4,707.12, 6,497.01 and 3,215.64 is: 4,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.12 : 6,497.01 = 3,215.64 : x
  2. Step 2: Convert to fraction form
    4,707.12/6,497.01 = 3,215.64/x
  3. Step 3: Cross multiply
    4,707.12x = 6,497.01 × 3,215.64
  4. Step 4: Simplify right side
    4,707.12x = 20,892,045.24
  5. Step 5: Solve for x
    x = 20,892,045.24/4,707.12
  6. Step 6: Final answer
    x = 4,438.39

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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.