Home / 7,150.59-9,861.28-4,458.35

Finding the Fourth Proportional to 7,150.59, 9,861.28 and 4,458.35

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Solution

The fourth proportional to 7,150.59, 9,861.28 and 4,458.35 is: 6,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.59 : 9,861.28 = 4,458.35 : x
  2. Step 2: Convert to fraction form
    7,150.59/9,861.28 = 4,458.35/x
  3. Step 3: Cross multiply
    7,150.59x = 9,861.28 × 4,458.35
  4. Step 4: Simplify right side
    7,150.59x = 43,965,051.20
  5. Step 5: Solve for x
    x = 43,965,051.20/7,150.59
  6. Step 6: Final answer
    x = 6,148.45

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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.