Home / 7,580.12-10,460.30-4,222.76

Finding the Fourth Proportional to 7,580.12, 10,460.30 and 4,222.76

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Solution

The fourth proportional to 7,580.12, 10,460.30 and 4,222.76 is: 5,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.12 : 10,460.30 = 4,222.76 : x
  2. Step 2: Convert to fraction form
    7,580.12/10,460.30 = 4,222.76/x
  3. Step 3: Cross multiply
    7,580.12x = 10,460.30 × 4,222.76
  4. Step 4: Simplify right side
    7,580.12x = 44,171,263.01
  5. Step 5: Solve for x
    x = 44,171,263.01/7,580.12
  6. Step 6: Final answer
    x = 5,827.25

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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.