Home / 5,308.86-7,325.62-3,070.39

Finding the Fourth Proportional to 5,308.86, 7,325.62 and 3,070.39

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Solution

The fourth proportional to 5,308.86, 7,325.62 and 3,070.39 is: 4,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.86 : 7,325.62 = 3,070.39 : x
  2. Step 2: Convert to fraction form
    5,308.86/7,325.62 = 3,070.39/x
  3. Step 3: Cross multiply
    5,308.86x = 7,325.62 × 3,070.39
  4. Step 4: Simplify right side
    5,308.86x = 22,492,510.39
  5. Step 5: Solve for x
    x = 22,492,510.39/5,308.86
  6. Step 6: Final answer
    x = 4,236.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.