Home / 4,715.68-6,501.52-3,142.56

Finding the Fourth Proportional to 4,715.68, 6,501.52 and 3,142.56

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Solution

The fourth proportional to 4,715.68, 6,501.52 and 3,142.56 is: 4,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.68 : 6,501.52 = 3,142.56 : x
  2. Step 2: Convert to fraction form
    4,715.68/6,501.52 = 3,142.56/x
  3. Step 3: Cross multiply
    4,715.68x = 6,501.52 × 3,142.56
  4. Step 4: Simplify right side
    4,715.68x = 20,431,416.69
  5. Step 5: Solve for x
    x = 20,431,416.69/4,715.68
  6. Step 6: Final answer
    x = 4,332.66

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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.