Home / 7,315.60-10,095.45-3,958.33

Finding the Fourth Proportional to 7,315.60, 10,095.45 and 3,958.33

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Solution

The fourth proportional to 7,315.60, 10,095.45 and 3,958.33 is: 5,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.60 : 10,095.45 = 3,958.33 : x
  2. Step 2: Convert to fraction form
    7,315.60/10,095.45 = 3,958.33/x
  3. Step 3: Cross multiply
    7,315.60x = 10,095.45 × 3,958.33
  4. Step 4: Simplify right side
    7,315.60x = 39,961,148.21
  5. Step 5: Solve for x
    x = 39,961,148.21/7,315.60
  6. Step 6: Final answer
    x = 5,462.46

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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.