Home / 6,440.03-8,885.16-3,606.98

Finding the Fourth Proportional to 6,440.03, 8,885.16 and 3,606.98

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Solution

The fourth proportional to 6,440.03, 8,885.16 and 3,606.98 is: 4,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.03 : 8,885.16 = 3,606.98 : x
  2. Step 2: Convert to fraction form
    6,440.03/8,885.16 = 3,606.98/x
  3. Step 3: Cross multiply
    6,440.03x = 8,885.16 × 3,606.98
  4. Step 4: Simplify right side
    6,440.03x = 32,048,594.42
  5. Step 5: Solve for x
    x = 32,048,594.42/6,440.03
  6. Step 6: Final answer
    x = 4,976.47

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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.