Home / 7,065.60-10,598.48-2,135.28

Finding the Fourth Proportional to 7,065.60, 10,598.48 and 2,135.28

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Solution

The fourth proportional to 7,065.60, 10,598.48 and 2,135.28 is: 3,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.60 : 10,598.48 = 2,135.28 : x
  2. Step 2: Convert to fraction form
    7,065.60/10,598.48 = 2,135.28/x
  3. Step 3: Cross multiply
    7,065.60x = 10,598.48 × 2,135.28
  4. Step 4: Simplify right side
    7,065.60x = 22,630,722.37
  5. Step 5: Solve for x
    x = 22,630,722.37/7,065.60
  6. Step 6: Final answer
    x = 3,202.94

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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.