Home / 7,474.83-10,316.72-4,290.01

Finding the Fourth Proportional to 7,474.83, 10,316.72 and 4,290.01

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Solution

The fourth proportional to 7,474.83, 10,316.72 and 4,290.01 is: 5,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.83 : 10,316.72 = 4,290.01 : x
  2. Step 2: Convert to fraction form
    7,474.83/10,316.72 = 4,290.01/x
  3. Step 3: Cross multiply
    7,474.83x = 10,316.72 × 4,290.01
  4. Step 4: Simplify right side
    7,474.83x = 44,258,850.80
  5. Step 5: Solve for x
    x = 44,258,850.80/7,474.83
  6. Step 6: Final answer
    x = 5,921.05

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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.