Home / 5,298.01-7,312.60-3,620.10

Finding the Fourth Proportional to 5,298.01, 7,312.60 and 3,620.10

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Solution

The fourth proportional to 5,298.01, 7,312.60 and 3,620.10 is: 4,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.01 : 7,312.60 = 3,620.10 : x
  2. Step 2: Convert to fraction form
    5,298.01/7,312.60 = 3,620.10/x
  3. Step 3: Cross multiply
    5,298.01x = 7,312.60 × 3,620.10
  4. Step 4: Simplify right side
    5,298.01x = 26,472,297.65
  5. Step 5: Solve for x
    x = 26,472,297.65/5,298.01
  6. Step 6: Final answer
    x = 4,996.65

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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.