Home / 5,061.48-6,988.09-3,175.65

Finding the Fourth Proportional to 5,061.48, 6,988.09 and 3,175.65

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Solution

The fourth proportional to 5,061.48, 6,988.09 and 3,175.65 is: 4,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.48 : 6,988.09 = 3,175.65 : x
  2. Step 2: Convert to fraction form
    5,061.48/6,988.09 = 3,175.65/x
  3. Step 3: Cross multiply
    5,061.48x = 6,988.09 × 3,175.65
  4. Step 4: Simplify right side
    5,061.48x = 22,191,677.19
  5. Step 5: Solve for x
    x = 22,191,677.19/5,061.48
  6. Step 6: Final answer
    x = 4,384.43

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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.