Home / 5,564.40-8,346.60-4,689.60

Finding the Fourth Proportional to 5,564.40, 8,346.60 and 4,689.60

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Solution

The fourth proportional to 5,564.40, 8,346.60 and 4,689.60 is: 7,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.40 : 8,346.60 = 4,689.60 : x
  2. Step 2: Convert to fraction form
    5,564.40/8,346.60 = 4,689.60/x
  3. Step 3: Cross multiply
    5,564.40x = 8,346.60 × 4,689.60
  4. Step 4: Simplify right side
    5,564.40x = 39,142,215.36
  5. Step 5: Solve for x
    x = 39,142,215.36/5,564.40
  6. Step 6: Final answer
    x = 7,034.40

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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.