Home / 7,432.08-10,256.04-4,074.80

Finding the Fourth Proportional to 7,432.08, 10,256.04 and 4,074.80

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Solution

The fourth proportional to 7,432.08, 10,256.04 and 4,074.80 is: 5,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.08 : 10,256.04 = 4,074.80 : x
  2. Step 2: Convert to fraction form
    7,432.08/10,256.04 = 4,074.80/x
  3. Step 3: Cross multiply
    7,432.08x = 10,256.04 × 4,074.80
  4. Step 4: Simplify right side
    7,432.08x = 41,791,337.43
  5. Step 5: Solve for x
    x = 41,791,337.43/7,432.08
  6. Step 6: Final answer
    x = 5,623.10

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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.