Home / 7,579.36-10,459.35-4,222.16

Finding the Fourth Proportional to 7,579.36, 10,459.35 and 4,222.16

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Solution

The fourth proportional to 7,579.36, 10,459.35 and 4,222.16 is: 5,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.36 : 10,459.35 = 4,222.16 : x
  2. Step 2: Convert to fraction form
    7,579.36/10,459.35 = 4,222.16/x
  3. Step 3: Cross multiply
    7,579.36x = 10,459.35 × 4,222.16
  4. Step 4: Simplify right side
    7,579.36x = 44,160,996.90
  5. Step 5: Solve for x
    x = 44,160,996.90/7,579.36
  6. Step 6: Final answer
    x = 5,826.48

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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.