Home / 7,502.49-10,352.54-4,145.10

Finding the Fourth Proportional to 7,502.49, 10,352.54 and 4,145.10

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Solution

The fourth proportional to 7,502.49, 10,352.54 and 4,145.10 is: 5,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.49 : 10,352.54 = 4,145.10 : x
  2. Step 2: Convert to fraction form
    7,502.49/10,352.54 = 4,145.10/x
  3. Step 3: Cross multiply
    7,502.49x = 10,352.54 × 4,145.10
  4. Step 4: Simplify right side
    7,502.49x = 42,912,292.83
  5. Step 5: Solve for x
    x = 42,912,292.83/7,502.49
  6. Step 6: Final answer
    x = 5,719.74

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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.