Home / 7,361.58-10,154.66-4,631.78

Finding the Fourth Proportional to 7,361.58, 10,154.66 and 4,631.78

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Solution

The fourth proportional to 7,361.58, 10,154.66 and 4,631.78 is: 6,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.58 : 10,154.66 = 4,631.78 : x
  2. Step 2: Convert to fraction form
    7,361.58/10,154.66 = 4,631.78/x
  3. Step 3: Cross multiply
    7,361.58x = 10,154.66 × 4,631.78
  4. Step 4: Simplify right side
    7,361.58x = 47,034,077.16
  5. Step 5: Solve for x
    x = 47,034,077.16/7,361.58
  6. Step 6: Final answer
    x = 6,389.13

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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.