Home / 7,690.28-10,613.59-4,333.74

Finding the Fourth Proportional to 7,690.28, 10,613.59 and 4,333.74

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Solution

The fourth proportional to 7,690.28, 10,613.59 and 4,333.74 is: 5,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.28 : 10,613.59 = 4,333.74 : x
  2. Step 2: Convert to fraction form
    7,690.28/10,613.59 = 4,333.74/x
  3. Step 3: Cross multiply
    7,690.28x = 10,613.59 × 4,333.74
  4. Step 4: Simplify right side
    7,690.28x = 45,996,528.69
  5. Step 5: Solve for x
    x = 45,996,528.69/7,690.28
  6. Step 6: Final answer
    x = 5,981.13

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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.