Home / 3,330.81-4,596.49-1,818.45

Finding the Fourth Proportional to 3,330.81, 4,596.49 and 1,818.45

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Solution

The fourth proportional to 3,330.81, 4,596.49 and 1,818.45 is: 2,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.81 : 4,596.49 = 1,818.45 : x
  2. Step 2: Convert to fraction form
    3,330.81/4,596.49 = 1,818.45/x
  3. Step 3: Cross multiply
    3,330.81x = 4,596.49 × 1,818.45
  4. Step 4: Simplify right side
    3,330.81x = 8,358,487.24
  5. Step 5: Solve for x
    x = 8,358,487.24/3,330.81
  6. Step 6: Final answer
    x = 2,509.45

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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.