Home / 7,260.72-10,020.20-4,075.02

Finding the Fourth Proportional to 7,260.72, 10,020.20 and 4,075.02

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Solution

The fourth proportional to 7,260.72, 10,020.20 and 4,075.02 is: 5,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.72 : 10,020.20 = 4,075.02 : x
  2. Step 2: Convert to fraction form
    7,260.72/10,020.20 = 4,075.02/x
  3. Step 3: Cross multiply
    7,260.72x = 10,020.20 × 4,075.02
  4. Step 4: Simplify right side
    7,260.72x = 40,832,513.82
  5. Step 5: Solve for x
    x = 40,832,513.82/7,260.72
  6. Step 6: Final answer
    x = 5,623.76

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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.