Home / 5,289.44-7,298.92-2,931.53

Finding the Fourth Proportional to 5,289.44, 7,298.92 and 2,931.53

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Solution

The fourth proportional to 5,289.44, 7,298.92 and 2,931.53 is: 4,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.44 : 7,298.92 = 2,931.53 : x
  2. Step 2: Convert to fraction form
    5,289.44/7,298.92 = 2,931.53/x
  3. Step 3: Cross multiply
    5,289.44x = 7,298.92 × 2,931.53
  4. Step 4: Simplify right side
    5,289.44x = 21,397,002.95
  5. Step 5: Solve for x
    x = 21,397,002.95/5,289.44
  6. Step 6: Final answer
    x = 4,045.23

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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.