Home / 3,476.48-4,784.28-2,798.96

Finding the Fourth Proportional to 3,476.48, 4,784.28 and 2,798.96

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Solution

The fourth proportional to 3,476.48, 4,784.28 and 2,798.96 is: 3,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.48 : 4,784.28 = 2,798.96 : x
  2. Step 2: Convert to fraction form
    3,476.48/4,784.28 = 2,798.96/x
  3. Step 3: Cross multiply
    3,476.48x = 4,784.28 × 2,798.96
  4. Step 4: Simplify right side
    3,476.48x = 13,391,008.35
  5. Step 5: Solve for x
    x = 13,391,008.35/3,476.48
  6. Step 6: Final answer
    x = 3,851.89

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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.