Home / 7,531.57-10,392.71-4,173.54

Finding the Fourth Proportional to 7,531.57, 10,392.71 and 4,173.54

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Solution

The fourth proportional to 7,531.57, 10,392.71 and 4,173.54 is: 5,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.57 : 10,392.71 = 4,173.54 : x
  2. Step 2: Convert to fraction form
    7,531.57/10,392.71 = 4,173.54/x
  3. Step 3: Cross multiply
    7,531.57x = 10,392.71 × 4,173.54
  4. Step 4: Simplify right side
    7,531.57x = 43,374,389.51
  5. Step 5: Solve for x
    x = 43,374,389.51/7,531.57
  6. Step 6: Final answer
    x = 5,759.01

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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.