Home / 7,531.05-10,392.66-4,387.03

Finding the Fourth Proportional to 7,531.05, 10,392.66 and 4,387.03

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Solution

The fourth proportional to 7,531.05, 10,392.66 and 4,387.03 is: 6,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.05 : 10,392.66 = 4,387.03 : x
  2. Step 2: Convert to fraction form
    7,531.05/10,392.66 = 4,387.03/x
  3. Step 3: Cross multiply
    7,531.05x = 10,392.66 × 4,387.03
  4. Step 4: Simplify right side
    7,531.05x = 45,592,940.64
  5. Step 5: Solve for x
    x = 45,592,940.64/7,531.05
  6. Step 6: Final answer
    x = 6,054.00

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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.