Home / 4,306.32-5,931.40-3,309.69

Finding the Fourth Proportional to 4,306.32, 5,931.40 and 3,309.69

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Solution

The fourth proportional to 4,306.32, 5,931.40 and 3,309.69 is: 4,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.32 : 5,931.40 = 3,309.69 : x
  2. Step 2: Convert to fraction form
    4,306.32/5,931.40 = 3,309.69/x
  3. Step 3: Cross multiply
    4,306.32x = 5,931.40 × 3,309.69
  4. Step 4: Simplify right side
    4,306.32x = 19,631,095.27
  5. Step 5: Solve for x
    x = 19,631,095.27/4,306.32
  6. Step 6: Final answer
    x = 4,558.67

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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.