Home / 5,115.04-7,056.37-3,322.40

Finding the Fourth Proportional to 5,115.04, 7,056.37 and 3,322.40

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Solution

The fourth proportional to 5,115.04, 7,056.37 and 3,322.40 is: 4,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.04 : 7,056.37 = 3,322.40 : x
  2. Step 2: Convert to fraction form
    5,115.04/7,056.37 = 3,322.40/x
  3. Step 3: Cross multiply
    5,115.04x = 7,056.37 × 3,322.40
  4. Step 4: Simplify right side
    5,115.04x = 23,444,040.10
  5. Step 5: Solve for x
    x = 23,444,040.10/5,115.04
  6. Step 6: Final answer
    x = 4,583.36

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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.