Home / 7,490.34-10,336.64-4,133.36

Finding the Fourth Proportional to 7,490.34, 10,336.64 and 4,133.36

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Solution

The fourth proportional to 7,490.34, 10,336.64 and 4,133.36 is: 5,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.34 : 10,336.64 = 4,133.36 : x
  2. Step 2: Convert to fraction form
    7,490.34/10,336.64 = 4,133.36/x
  3. Step 3: Cross multiply
    7,490.34x = 10,336.64 × 4,133.36
  4. Step 4: Simplify right side
    7,490.34x = 42,725,033.64
  5. Step 5: Solve for x
    x = 42,725,033.64/7,490.34
  6. Step 6: Final answer
    x = 5,704.02

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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.