Home / 4,316.90-6,475.95-2,125.64

Finding the Fourth Proportional to 4,316.90, 6,475.95 and 2,125.64

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Solution

The fourth proportional to 4,316.90, 6,475.95 and 2,125.64 is: 3,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.90 : 6,475.95 = 2,125.64 : x
  2. Step 2: Convert to fraction form
    4,316.90/6,475.95 = 2,125.64/x
  3. Step 3: Cross multiply
    4,316.90x = 6,475.95 × 2,125.64
  4. Step 4: Simplify right side
    4,316.90x = 13,765,554.55
  5. Step 5: Solve for x
    x = 13,765,554.55/4,316.90
  6. Step 6: Final answer
    x = 3,188.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.