Home / 7,315.32-10,095.07-3,958.06

Finding the Fourth Proportional to 7,315.32, 10,095.07 and 3,958.06

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Solution

The fourth proportional to 7,315.32, 10,095.07 and 3,958.06 is: 5,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.32 : 10,095.07 = 3,958.06 : x
  2. Step 2: Convert to fraction form
    7,315.32/10,095.07 = 3,958.06/x
  3. Step 3: Cross multiply
    7,315.32x = 10,095.07 × 3,958.06
  4. Step 4: Simplify right side
    7,315.32x = 39,956,892.76
  5. Step 5: Solve for x
    x = 39,956,892.76/7,315.32
  6. Step 6: Final answer
    x = 5,462.08

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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.