Home / 7,528.02-10,388.66-4,171.04

Finding the Fourth Proportional to 7,528.02, 10,388.66 and 4,171.04

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Solution

The fourth proportional to 7,528.02, 10,388.66 and 4,171.04 is: 5,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.02 : 10,388.66 = 4,171.04 : x
  2. Step 2: Convert to fraction form
    7,528.02/10,388.66 = 4,171.04/x
  3. Step 3: Cross multiply
    7,528.02x = 10,388.66 × 4,171.04
  4. Step 4: Simplify right side
    7,528.02x = 43,331,482.57
  5. Step 5: Solve for x
    x = 43,331,482.57/7,528.02
  6. Step 6: Final answer
    x = 5,756.03

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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.