Home / 7,458.55-10,292.57-4,100.90

Finding the Fourth Proportional to 7,458.55, 10,292.57 and 4,100.90

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Solution

The fourth proportional to 7,458.55, 10,292.57 and 4,100.90 is: 5,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.55 : 10,292.57 = 4,100.90 : x
  2. Step 2: Convert to fraction form
    7,458.55/10,292.57 = 4,100.90/x
  3. Step 3: Cross multiply
    7,458.55x = 10,292.57 × 4,100.90
  4. Step 4: Simplify right side
    7,458.55x = 42,208,728.35
  5. Step 5: Solve for x
    x = 42,208,728.35/7,458.55
  6. Step 6: Final answer
    x = 5,659.11

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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.