Home / 4,931.76-6,805.62-2,835.84

Finding the Fourth Proportional to 4,931.76, 6,805.62 and 2,835.84

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Solution

The fourth proportional to 4,931.76, 6,805.62 and 2,835.84 is: 3,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.76 : 6,805.62 = 2,835.84 : x
  2. Step 2: Convert to fraction form
    4,931.76/6,805.62 = 2,835.84/x
  3. Step 3: Cross multiply
    4,931.76x = 6,805.62 × 2,835.84
  4. Step 4: Simplify right side
    4,931.76x = 19,299,649.42
  5. Step 5: Solve for x
    x = 19,299,649.42/4,931.76
  6. Step 6: Final answer
    x = 3,913.34

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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.