Home / 5,470.68-8,205.93-1,575.08

Finding the Fourth Proportional to 5,470.68, 8,205.93 and 1,575.08

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Solution

The fourth proportional to 5,470.68, 8,205.93 and 1,575.08 is: 2,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.68 : 8,205.93 = 1,575.08 : x
  2. Step 2: Convert to fraction form
    5,470.68/8,205.93 = 1,575.08/x
  3. Step 3: Cross multiply
    5,470.68x = 8,205.93 × 1,575.08
  4. Step 4: Simplify right side
    5,470.68x = 12,924,955.19
  5. Step 5: Solve for x
    x = 12,924,955.19/5,470.68
  6. Step 6: Final answer
    x = 2,362.59

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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.