Home / 5,248.07-7,242.33-2,890.22

Finding the Fourth Proportional to 5,248.07, 7,242.33 and 2,890.22

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Solution

The fourth proportional to 5,248.07, 7,242.33 and 2,890.22 is: 3,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.07 : 7,242.33 = 2,890.22 : x
  2. Step 2: Convert to fraction form
    5,248.07/7,242.33 = 2,890.22/x
  3. Step 3: Cross multiply
    5,248.07x = 7,242.33 × 2,890.22
  4. Step 4: Simplify right side
    5,248.07x = 20,931,890.80
  5. Step 5: Solve for x
    x = 20,931,890.80/5,248.07
  6. Step 6: Final answer
    x = 3,988.50

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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.