Home / 6,278.43-9,417.78-1,598.42

Finding the Fourth Proportional to 6,278.43, 9,417.78 and 1,598.42

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Solution

The fourth proportional to 6,278.43, 9,417.78 and 1,598.42 is: 2,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.43 : 9,417.78 = 1,598.42 : x
  2. Step 2: Convert to fraction form
    6,278.43/9,417.78 = 1,598.42/x
  3. Step 3: Cross multiply
    6,278.43x = 9,417.78 × 1,598.42
  4. Step 4: Simplify right side
    6,278.43x = 15,053,568.02
  5. Step 5: Solve for x
    x = 15,053,568.02/6,278.43
  6. Step 6: Final answer
    x = 2,397.67

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.