Home / 5,396.16-7,446.84-3,038.40

Finding the Fourth Proportional to 5,396.16, 7,446.84 and 3,038.40

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Solution

The fourth proportional to 5,396.16, 7,446.84 and 3,038.40 is: 4,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.16 : 7,446.84 = 3,038.40 : x
  2. Step 2: Convert to fraction form
    5,396.16/7,446.84 = 3,038.40/x
  3. Step 3: Cross multiply
    5,396.16x = 7,446.84 × 3,038.40
  4. Step 4: Simplify right side
    5,396.16x = 22,626,478.66
  5. Step 5: Solve for x
    x = 22,626,478.66/5,396.16
  6. Step 6: Final answer
    x = 4,193.07

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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.