Home / 5,455.65-7,529.58-3,098.01

Finding the Fourth Proportional to 5,455.65, 7,529.58 and 3,098.01

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Solution

The fourth proportional to 5,455.65, 7,529.58 and 3,098.01 is: 4,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.65 : 7,529.58 = 3,098.01 : x
  2. Step 2: Convert to fraction form
    5,455.65/7,529.58 = 3,098.01/x
  3. Step 3: Cross multiply
    5,455.65x = 7,529.58 × 3,098.01
  4. Step 4: Simplify right side
    5,455.65x = 23,326,714.14
  5. Step 5: Solve for x
    x = 23,326,714.14/5,455.65
  6. Step 6: Final answer
    x = 4,275.70

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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.