Home / 7,237.22-9,985.74-4,406.07

Finding the Fourth Proportional to 7,237.22, 9,985.74 and 4,406.07

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Solution

The fourth proportional to 7,237.22, 9,985.74 and 4,406.07 is: 6,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.22 : 9,985.74 = 4,406.07 : x
  2. Step 2: Convert to fraction form
    7,237.22/9,985.74 = 4,406.07/x
  3. Step 3: Cross multiply
    7,237.22x = 9,985.74 × 4,406.07
  4. Step 4: Simplify right side
    7,237.22x = 43,997,869.44
  5. Step 5: Solve for x
    x = 43,997,869.44/7,237.22
  6. Step 6: Final answer
    x = 6,079.39

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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.