Home / 7,428.08-10,255.20-4,599.26

Finding the Fourth Proportional to 7,428.08, 10,255.20 and 4,599.26

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Solution

The fourth proportional to 7,428.08, 10,255.20 and 4,599.26 is: 6,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.08 : 10,255.20 = 4,599.26 : x
  2. Step 2: Convert to fraction form
    7,428.08/10,255.20 = 4,599.26/x
  3. Step 3: Cross multiply
    7,428.08x = 10,255.20 × 4,599.26
  4. Step 4: Simplify right side
    7,428.08x = 47,166,279.88
  5. Step 5: Solve for x
    x = 47,166,279.88/7,428.08
  6. Step 6: Final answer
    x = 6,349.72

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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.