Home / 5,840.12-8,721.67-5,195

Finding the Fourth Proportional to 5,840.12, 8,721.67 and 5,195

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Solution

The fourth proportional to 5,840.12, 8,721.67 and 5,195 is: 7,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,840.12 : 8,721.67 = 5,195 : x
  2. Step 2: Convert to fraction form
    5,840.12/8,721.67 = 5,195/x
  3. Step 3: Cross multiply
    5,840.12x = 8,721.67 × 5,195
  4. Step 4: Simplify right side
    5,840.12x = 45,309,075.65
  5. Step 5: Solve for x
    x = 45,309,075.65/5,840.12
  6. Step 6: Final answer
    x = 7,758.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.