Home / 7,315.28-10,095.06-4,171.46

Finding the Fourth Proportional to 7,315.28, 10,095.06 and 4,171.46

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Solution

The fourth proportional to 7,315.28, 10,095.06 and 4,171.46 is: 5,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.28 : 10,095.06 = 4,171.46 : x
  2. Step 2: Convert to fraction form
    7,315.28/10,095.06 = 4,171.46/x
  3. Step 3: Cross multiply
    7,315.28x = 10,095.06 × 4,171.46
  4. Step 4: Simplify right side
    7,315.28x = 42,111,138.99
  5. Step 5: Solve for x
    x = 42,111,138.99/7,315.28
  6. Step 6: Final answer
    x = 5,756.60

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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.