Home / 7,516.60-10,372.51-4,159.15

Finding the Fourth Proportional to 7,516.60, 10,372.51 and 4,159.15

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Solution

The fourth proportional to 7,516.60, 10,372.51 and 4,159.15 is: 5,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.60 : 10,372.51 = 4,159.15 : x
  2. Step 2: Convert to fraction form
    7,516.60/10,372.51 = 4,159.15/x
  3. Step 3: Cross multiply
    7,516.60x = 10,372.51 × 4,159.15
  4. Step 4: Simplify right side
    7,516.60x = 43,140,780.84
  5. Step 5: Solve for x
    x = 43,140,780.84/7,516.60
  6. Step 6: Final answer
    x = 5,739.40

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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.