Home / 5,655.02-8,470.20-3,457.09

Finding the Fourth Proportional to 5,655.02, 8,470.20 and 3,457.09

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Solution

The fourth proportional to 5,655.02, 8,470.20 and 3,457.09 is: 5,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.02 : 8,470.20 = 3,457.09 : x
  2. Step 2: Convert to fraction form
    5,655.02/8,470.20 = 3,457.09/x
  3. Step 3: Cross multiply
    5,655.02x = 8,470.20 × 3,457.09
  4. Step 4: Simplify right side
    5,655.02x = 29,282,243.72
  5. Step 5: Solve for x
    x = 29,282,243.72/5,655.02
  6. Step 6: Final answer
    x = 5,178.10

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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.