Home / 7,261.52-10,020.78-4,074.84

Finding the Fourth Proportional to 7,261.52, 10,020.78 and 4,074.84

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Solution

The fourth proportional to 7,261.52, 10,020.78 and 4,074.84 is: 5,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.52 : 10,020.78 = 4,074.84 : x
  2. Step 2: Convert to fraction form
    7,261.52/10,020.78 = 4,074.84/x
  3. Step 3: Cross multiply
    7,261.52x = 10,020.78 × 4,074.84
  4. Step 4: Simplify right side
    7,261.52x = 40,833,075.18
  5. Step 5: Solve for x
    x = 40,833,075.18/7,261.52
  6. Step 6: Final answer
    x = 5,623.22

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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.