Home / 7,474.75-10,315.16-4,332.76

Finding the Fourth Proportional to 7,474.75, 10,315.16 and 4,332.76

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Solution

The fourth proportional to 7,474.75, 10,315.16 and 4,332.76 is: 5,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.75 : 10,315.16 = 4,332.76 : x
  2. Step 2: Convert to fraction form
    7,474.75/10,315.16 = 4,332.76/x
  3. Step 3: Cross multiply
    7,474.75x = 10,315.16 × 4,332.76
  4. Step 4: Simplify right side
    7,474.75x = 44,693,090.98
  5. Step 5: Solve for x
    x = 44,693,090.98/7,474.75
  6. Step 6: Final answer
    x = 5,979.21

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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.