Home / 7,237.22-9,989.32-4,254.01

Finding the Fourth Proportional to 7,237.22, 9,989.32 and 4,254.01

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Solution

The fourth proportional to 7,237.22, 9,989.32 and 4,254.01 is: 5,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.22 : 9,989.32 = 4,254.01 : x
  2. Step 2: Convert to fraction form
    7,237.22/9,989.32 = 4,254.01/x
  3. Step 3: Cross multiply
    7,237.22x = 9,989.32 × 4,254.01
  4. Step 4: Simplify right side
    7,237.22x = 42,494,617.23
  5. Step 5: Solve for x
    x = 42,494,617.23/7,237.22
  6. Step 6: Final answer
    x = 5,871.68

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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.