Home / 7,827.18-11,741.00-2,280.40

Finding the Fourth Proportional to 7,827.18, 11,741.00 and 2,280.40

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Solution

The fourth proportional to 7,827.18, 11,741.00 and 2,280.40 is: 3,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.18 : 11,741.00 = 2,280.40 : x
  2. Step 2: Convert to fraction form
    7,827.18/11,741.00 = 2,280.40/x
  3. Step 3: Cross multiply
    7,827.18x = 11,741.00 × 2,280.40
  4. Step 4: Simplify right side
    7,827.18x = 26,774,214.52
  5. Step 5: Solve for x
    x = 26,774,214.52/7,827.18
  6. Step 6: Final answer
    x = 3,420.67

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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.