Home / 3,953.50-5,931.40-1,180.24

Finding the Fourth Proportional to 3,953.50, 5,931.40 and 1,180.24

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Solution

The fourth proportional to 3,953.50, 5,931.40 and 1,180.24 is: 1,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.50 : 5,931.40 = 1,180.24 : x
  2. Step 2: Convert to fraction form
    3,953.50/5,931.40 = 1,180.24/x
  3. Step 3: Cross multiply
    3,953.50x = 5,931.40 × 1,180.24
  4. Step 4: Simplify right side
    3,953.50x = 7,000,475.54
  5. Step 5: Solve for x
    x = 7,000,475.54/3,953.50
  6. Step 6: Final answer
    x = 1,770.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.