Home / 7,272.91-10,036.01-4,085.96

Finding the Fourth Proportional to 7,272.91, 10,036.01 and 4,085.96

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Solution

The fourth proportional to 7,272.91, 10,036.01 and 4,085.96 is: 5,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.91 : 10,036.01 = 4,085.96 : x
  2. Step 2: Convert to fraction form
    7,272.91/10,036.01 = 4,085.96/x
  3. Step 3: Cross multiply
    7,272.91x = 10,036.01 × 4,085.96
  4. Step 4: Simplify right side
    7,272.91x = 41,006,711.85
  5. Step 5: Solve for x
    x = 41,006,711.85/7,272.91
  6. Step 6: Final answer
    x = 5,638.28

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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.