Home / 7,690.93-10,613.48-4,154.13

Finding the Fourth Proportional to 7,690.93, 10,613.48 and 4,154.13

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Solution

The fourth proportional to 7,690.93, 10,613.48 and 4,154.13 is: 5,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.93 : 10,613.48 = 4,154.13 : x
  2. Step 2: Convert to fraction form
    7,690.93/10,613.48 = 4,154.13/x
  3. Step 3: Cross multiply
    7,690.93x = 10,613.48 × 4,154.13
  4. Step 4: Simplify right side
    7,690.93x = 44,089,754.90
  5. Step 5: Solve for x
    x = 44,089,754.90/7,690.93
  6. Step 6: Final answer
    x = 5,732.70

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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.