Home / 7,285.77-10,053.90-4,098.78

Finding the Fourth Proportional to 7,285.77, 10,053.90 and 4,098.78

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Solution

The fourth proportional to 7,285.77, 10,053.90 and 4,098.78 is: 5,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.77 : 10,053.90 = 4,098.78 : x
  2. Step 2: Convert to fraction form
    7,285.77/10,053.90 = 4,098.78/x
  3. Step 3: Cross multiply
    7,285.77x = 10,053.90 × 4,098.78
  4. Step 4: Simplify right side
    7,285.77x = 41,208,724.24
  5. Step 5: Solve for x
    x = 41,208,724.24/7,285.77
  6. Step 6: Final answer
    x = 5,656.06

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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.