Home / 7,580.59-11,381.52-3,885.47

Finding the Fourth Proportional to 7,580.59, 11,381.52 and 3,885.47

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Solution

The fourth proportional to 7,580.59, 11,381.52 and 3,885.47 is: 5,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.59 : 11,381.52 = 3,885.47 : x
  2. Step 2: Convert to fraction form
    7,580.59/11,381.52 = 3,885.47/x
  3. Step 3: Cross multiply
    7,580.59x = 11,381.52 × 3,885.47
  4. Step 4: Simplify right side
    7,580.59x = 44,222,554.51
  5. Step 5: Solve for x
    x = 44,222,554.51/7,580.59
  6. Step 6: Final answer
    x = 5,833.66

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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.