Home / 7,402.92-10,215.84-4,045.74

Finding the Fourth Proportional to 7,402.92, 10,215.84 and 4,045.74

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Solution

The fourth proportional to 7,402.92, 10,215.84 and 4,045.74 is: 5,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.92 : 10,215.84 = 4,045.74 : x
  2. Step 2: Convert to fraction form
    7,402.92/10,215.84 = 4,045.74/x
  3. Step 3: Cross multiply
    7,402.92x = 10,215.84 × 4,045.74
  4. Step 4: Simplify right side
    7,402.92x = 41,330,632.52
  5. Step 5: Solve for x
    x = 41,330,632.52/7,402.92
  6. Step 6: Final answer
    x = 5,583.02

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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.