Home / 5,077.18-7,618.50-2,303.64

Finding the Fourth Proportional to 5,077.18, 7,618.50 and 2,303.64

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Solution

The fourth proportional to 5,077.18, 7,618.50 and 2,303.64 is: 3,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.18 : 7,618.50 = 2,303.64 : x
  2. Step 2: Convert to fraction form
    5,077.18/7,618.50 = 2,303.64/x
  3. Step 3: Cross multiply
    5,077.18x = 7,618.50 × 2,303.64
  4. Step 4: Simplify right side
    5,077.18x = 17,550,281.34
  5. Step 5: Solve for x
    x = 17,550,281.34/5,077.18
  6. Step 6: Final answer
    x = 3,456.70

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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.