Home / 5,117.20-7,656.60-4,656.40

Finding the Fourth Proportional to 5,117.20, 7,656.60 and 4,656.40

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Solution

The fourth proportional to 5,117.20, 7,656.60 and 4,656.40 is: 6,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.20 : 7,656.60 = 4,656.40 : x
  2. Step 2: Convert to fraction form
    5,117.20/7,656.60 = 4,656.40/x
  3. Step 3: Cross multiply
    5,117.20x = 7,656.60 × 4,656.40
  4. Step 4: Simplify right side
    5,117.20x = 35,652,192.24
  5. Step 5: Solve for x
    x = 35,652,192.24/5,117.20
  6. Step 6: Final answer
    x = 6,967.13

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