Home / 7,332.63-10,118.95-3,975.36

Finding the Fourth Proportional to 7,332.63, 10,118.95 and 3,975.36

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Solution

The fourth proportional to 7,332.63, 10,118.95 and 3,975.36 is: 5,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.63 : 10,118.95 = 3,975.36 : x
  2. Step 2: Convert to fraction form
    7,332.63/10,118.95 = 3,975.36/x
  3. Step 3: Cross multiply
    7,332.63x = 10,118.95 × 3,975.36
  4. Step 4: Simplify right side
    7,332.63x = 40,226,469.07
  5. Step 5: Solve for x
    x = 40,226,469.07/7,332.63
  6. Step 6: Final answer
    x = 5,485.95

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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.