Home / 7,331.24-10,117.04-4,187.40

Finding the Fourth Proportional to 7,331.24, 10,117.04 and 4,187.40

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Solution

The fourth proportional to 7,331.24, 10,117.04 and 4,187.40 is: 5,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.24 : 10,117.04 = 4,187.40 : x
  2. Step 2: Convert to fraction form
    7,331.24/10,117.04 = 4,187.40/x
  3. Step 3: Cross multiply
    7,331.24x = 10,117.04 × 4,187.40
  4. Step 4: Simplify right side
    7,331.24x = 42,364,093.30
  5. Step 5: Solve for x
    x = 42,364,093.30/7,331.24
  6. Step 6: Final answer
    x = 5,778.57

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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.