Home / 7,272.10-10,040.25-5,590.41

Finding the Fourth Proportional to 7,272.10, 10,040.25 and 5,590.41

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Solution

The fourth proportional to 7,272.10, 10,040.25 and 5,590.41 is: 7,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.10 : 10,040.25 = 5,590.41 : x
  2. Step 2: Convert to fraction form
    7,272.10/10,040.25 = 5,590.41/x
  3. Step 3: Cross multiply
    7,272.10x = 10,040.25 × 5,590.41
  4. Step 4: Simplify right side
    7,272.10x = 56,129,114.00
  5. Step 5: Solve for x
    x = 56,129,114.00/7,272.10
  6. Step 6: Final answer
    x = 7,718.42

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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.