Home / 7,651.28-10,558.40-4,506.86

Finding the Fourth Proportional to 7,651.28, 10,558.40 and 4,506.86

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Solution

The fourth proportional to 7,651.28, 10,558.40 and 4,506.86 is: 6,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.28 : 10,558.40 = 4,506.86 : x
  2. Step 2: Convert to fraction form
    7,651.28/10,558.40 = 4,506.86/x
  3. Step 3: Cross multiply
    7,651.28x = 10,558.40 × 4,506.86
  4. Step 4: Simplify right side
    7,651.28x = 47,585,230.62
  5. Step 5: Solve for x
    x = 47,585,230.62/7,651.28
  6. Step 6: Final answer
    x = 6,219.25

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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.