Home / 7,620.40-10,516.08-4,263.18

Finding the Fourth Proportional to 7,620.40, 10,516.08 and 4,263.18

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Solution

The fourth proportional to 7,620.40, 10,516.08 and 4,263.18 is: 5,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.40 : 10,516.08 = 4,263.18 : x
  2. Step 2: Convert to fraction form
    7,620.40/10,516.08 = 4,263.18/x
  3. Step 3: Cross multiply
    7,620.40x = 10,516.08 × 4,263.18
  4. Step 4: Simplify right side
    7,620.40x = 44,831,941.93
  5. Step 5: Solve for x
    x = 44,831,941.93/7,620.40
  6. Step 6: Final answer
    x = 5,883.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.