Home / 5,225.93-7,211.90-2,988.01

Finding the Fourth Proportional to 5,225.93, 7,211.90 and 2,988.01

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Solution

The fourth proportional to 5,225.93, 7,211.90 and 2,988.01 is: 4,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.93 : 7,211.90 = 2,988.01 : x
  2. Step 2: Convert to fraction form
    5,225.93/7,211.90 = 2,988.01/x
  3. Step 3: Cross multiply
    5,225.93x = 7,211.90 × 2,988.01
  4. Step 4: Simplify right side
    5,225.93x = 21,549,229.32
  5. Step 5: Solve for x
    x = 21,549,229.32/5,225.93
  6. Step 6: Final answer
    x = 4,123.52

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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.