Home / 7,176.32-9,902.52-4,031.84

Finding the Fourth Proportional to 7,176.32, 9,902.52 and 4,031.84

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Solution

The fourth proportional to 7,176.32, 9,902.52 and 4,031.84 is: 5,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.32 : 9,902.52 = 4,031.84 : x
  2. Step 2: Convert to fraction form
    7,176.32/9,902.52 = 4,031.84/x
  3. Step 3: Cross multiply
    7,176.32x = 9,902.52 × 4,031.84
  4. Step 4: Simplify right side
    7,176.32x = 39,925,376.24
  5. Step 5: Solve for x
    x = 39,925,376.24/7,176.32
  6. Step 6: Final answer
    x = 5,563.49

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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.