Home / 7,502.17-10,352.85-4,145.02

Finding the Fourth Proportional to 7,502.17, 10,352.85 and 4,145.02

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Solution

The fourth proportional to 7,502.17, 10,352.85 and 4,145.02 is: 5,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.17 : 10,352.85 = 4,145.02 : x
  2. Step 2: Convert to fraction form
    7,502.17/10,352.85 = 4,145.02/x
  3. Step 3: Cross multiply
    7,502.17x = 10,352.85 × 4,145.02
  4. Step 4: Simplify right side
    7,502.17x = 42,912,770.31
  5. Step 5: Solve for x
    x = 42,912,770.31/7,502.17
  6. Step 6: Final answer
    x = 5,720.05

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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.