Home / 7,431.04-10,254.79-4,074.00

Finding the Fourth Proportional to 7,431.04, 10,254.79 and 4,074.00

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Solution

The fourth proportional to 7,431.04, 10,254.79 and 4,074.00 is: 5,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.04 : 10,254.79 = 4,074.00 : x
  2. Step 2: Convert to fraction form
    7,431.04/10,254.79 = 4,074.00/x
  3. Step 3: Cross multiply
    7,431.04x = 10,254.79 × 4,074.00
  4. Step 4: Simplify right side
    7,431.04x = 41,777,963.19
  5. Step 5: Solve for x
    x = 41,777,963.19/7,431.04
  6. Step 6: Final answer
    x = 5,622.09

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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.